Sandy Bridge 2500K/2600K Batch and Serial Numbers

Massman · January 9, 2011

How to bin

Binning Sandy Bridge is extremely easy.

- use HS fan with easy mounting

- set Vcore to 1.55V

- disable EIST, C1E and C-States

- disable HT and 2 cores (to not make it overheat with crappy HSF)

- increase multiplier

You just need to see the windows OS options, not actually boot into windows. If your CPU can show the different OS options, stability will just be function of Vcore and temperature. If it doesn't show the OS options, you will never get it stable anyways, so you might as well ditch the CPU.

Usually, it takes about 5 minutes to see if the CPU is good or not.

With some CPUs, you do have the issue that some multiplier is better than the other for stability. For instance, my current CPU can boot at 51x MAX (~ 5145MHz). When trying to run near this max speed, I have to use 49x instead of 50x multiplier because it's a lot more stable.

But, that's something you don't need to test. With BCLK adjustments, you'll never get 5200MHz going or so. Multiplier binning is the best way.

The Overclocking Results

Gathering some batch/wafer# information of the Sandy Bridge K-sku chips (2500K and 2600K). Feel free to post your info!

L031B189

# 1579: 5103 MHz

L035B091

# 0646: untested

# 0650: untested

L035B137

# 0346: 4700 MHz (no pll)

# 1538: 4800 MHz (no pll, 2500K ES)

# 1702: untested

L035B146

# 1136: 5400 MHz

# 1189: untested

# 1456: 5100 MHz

L035B183

# 1377: 5200 MHz (2500K ES)

# 1405: 4700 MHz (no pll)

# 1873: 5320 MHz (Monstru - 2500K ES)

L035B191

# 03xx: 5567 MHz

# 0430: 5160 MHz

# 0473: 5310 MHz

# 0771: 5288 MHz

# 0888: 5547 MHz

# 0911: untested

# 1231: 4800 MHz

# 2556: 4430 MHz (no pll)

# 2862: 4800 MHz (no pll)

L036B030

# 3227: untested

L036B125

# 1251: 5150 MHz

3036D257

# 0787: 5350 MHz

L037B091

# 0006: 5400 (hicookie)

# 0025: 5583 (hicookie)

# 0089: 5500 (hicookie)

# 0200: 5300 (hicookie)

# 0371: 5300 (hicookie)

# 0398: 5200 (hicookie)

# 0809: 5583 MHz

# 1983: 5400 (hicookie)

# 2570: 5400 (hicookie)

L037B224

# 0155: 4500 MHz (not maxed)

# 0179: 5000 MHz (no pll)

# 0402: 4515 MHz (not maxed)

# 0604: 4737 MHz (no pll)

# 0663: 4700 MHz (no pll)

L038A638

# 2861: 5670 MHz

L038A646

# 1644: 5242 MHz

L038A659

# 1080: 5522 MHz

# 2083: 4500 MHz

# 2737: 5507 MHz

# 2983: 5490 MHz

# ----: 5000 MHz

L038A660

# ----: 5000 MHz

# ----: 5439 MHz

# 0509: 5288 MHz

# 1241: 5350 MHz

L038A670

# 2190: 5447 MHz

# 2201: 5350 MHz

L039B155T

# 1130: 5150 MHz

L039B214

# ----: 4700 MHz (not maxed)

# ----: 4900 MHz (only 1.4V)

L039B461

# ----: 4500 MHz (not maxed)

# 0316: 5362 MHz

# 1471: 5220 MHz

# 2929: 5300 MHz

# ----: 5244 MHz

# ----: 5200 MHz

L039B467

# ----: 4400 MHz (not maxed)

L039B470

# 0028: 4900 MHz

# 0030: 5200 MHz

# 0220: 5200 MHz

# 0298: 5250 MHz

# 0388: 5404 MHz

# 1156: 5303 MHz

# 1633: 5050 MHz

# 1668: 5050 MHz

# 1915: 5400 MHz

# 3024: 5500 MHz

# 3137: 5465 MHz

# 4462: 5540 MHz

# 4672: 5431 MHz

# 4673: 5411 MHz

# ----: 4989 MHz

# ----: 5288 MHz

L040B157

# ----: 4800 MHz (not maxed)

L040B165

# ----: 4700 MHz (not maxed)

# ----: 5441 MHz

# ----: 5488 MHz

# 0717: 5752 MHz

# 0771: 5700 MHz (steponz)

# 0916: 5589 MHz

# 1007: 5600 MHz

# 1021: 5600 MHz

# 1067: 5500 MHz

# 1077: 5400 MHz

# 1781: 5500 MHz

# ----: 5000 MHz (not maxed)

L040B166

# 1247: 5708 MHz

# 1538: 5332 MHz

L040B208

# ----: 5051 MHz (not maxed)

# ----: 5041 MHz (not maxed)

# ----: 4700 MHz (not maxed)

# ----: 5602 MHz

L040B225

# ----: 5300 MHz

# ----: 5000 MHz

L040B229

# ----: 4200 MHz (not maxed)

L040B307

# 0051: 5309 MHz

# 0557: 5675 MHz

# 1301: 5600 MHz

# 1646: 5253 MHz

# 2458: 5288 MHz

# ----: 5560 MHz

L040B313

# 2620: 5318 MHz

L040B354

# ----: 4700 MHz (not maxed)

# 0069: 5000 MHz (not maxed)

# 1343: 5260 MHz

# 1537: 5000 MHz

# 1864: 5300 MHz

L040B554

# ----: 5000 MHz (maxed)

L040B671

# 4153: untested

# 5641: 5000 MHz

L040B690

# ----: 5460 MHz

# 2591: 5505 MHz

L040B694

# 0531: 5315 MHz

L040B698

# ----: 5000 MHz

L040B705

# 0097: 5281 MHz

# 0233: 5215 MHz

# 0319: 5450 MHz

# 0836: 5650

# 1139: 5115 MHz

# 1880: 5000 MHz

# 2210: 5200 MHz

L040B901

# 0039: 5250 MHz

# 0061: 5150 MHz

# 0076: 4950 MHz

# 0255: 5050 MHz

# 0382: 5050 MHz

# 0300: 5150 MHz

# 0588: 5450 MHz

# 0707: 5350 MHz

# 0708: 5250 MHz

# 0723: 5250 MHz

# 0740: 5350 MHz

# 1350: 5250 MHz

# 1394: 5150 MHz

# 1462: 5350 MHz

# 1507: 5150 MHz

# 1518: 5450 MHz

# 1533: 5250 MHz

# 1585: 5250 MHz

# 1621: 5550 MHz

# 1730: 5450 MHz

# 1736: 5150 MHz

# 1881: 5250 MHz

# 1910: 5450 MHz

# 2053: 5250 MHz

# 2158: 5050 MHz

# 2512: 5150 MHz

# 2983: 5050 MHz

# 2994: 5250 MHz

# 3000: 5150 MHz

# 3013: 5350 MHz

# 3036: 5350 MHz

# 3039: 5050 MHz

# 3052: 5250 MHz

L041B144

# 0743: 5500 MHz

L041B202

# 1732: 5211 MHz

# ----: 5600 MHz

L041B204

# ----: 4500 MHz (not maxed)

# ----: 4700 MHz

# ----: 5000 MHz (not maxed)

# ----: 5380 MHz

# 0733: 5700 MHz

L041B229

# 1422: 5640 MHz

L041B299

# 0201: 5328 MHz

# ----: 5471 MHz

3041B320

# 1786: 5350 MHz

# 1972: 5350 MHz

L041B517

# ----: 4600 MHz (not maxed)

# ----: 5358 MHz

L041B541

# 0114: 5100 MHz

3041B644

# 0295: 5250 MHz

# 0348: 5050 MHz

# 1138: 5350 MHz

# 1152: 5550 MHz

# 1155: 5550 MHz

# 1520: 5150 MHz

# 3286: 5250 MHz

# 5390: 5350 MHz

# 5614: 5350 MHz

# 5616: 5150 MHz

L041B739

# 4959: 5594 MHz

L041B800

# 1984: 5300 MHz

L041C106

# 0060: untested

# 0199: 5480 MHz

# 0598: 5512 MHz

# 0694: 5654 MHz (not max)

# 0815: 5340 MHz

L041C107

# 1349: 5407 MHz

L041C108

# 1333: 5449 MHz

# 2350: 5400 MHz

# 2460: 5860 MHz

# 3576: 5420 MHz

# 3832: 5500 MHz

# 3984: 5450 MHz

# 4323: 5664 MHz

# 4244: 5700 MHz

# 4584: 5250 MHz

# ---: 5654MHz

L041C123

1439: untested

L041C143

# 2452: 5500 MHz (not maxed)

L041C232

# 2766: 5450 MHz

L041C236

# 2632: 5250 MHz

L041C238

# 3242: 5250 MHz

L042A969

# ----: 5100 MHz

# ----: 5400 MHz (not maxed)

# ----: 5519 MHz

# 2380: 5387 MHz

# 2576: 5000 MHz (not maxed)

L042B074

# 0108: 5400+ MHz

# 0412: 5500 MHz

# 1019: 5369 MHz

# 1038: 5300 MHz

# 1192: 5794 MHz

# 1385: _

# 16xx: 5536 MHz

# 2956: 5188 MHz

# ----: 5500 MHz

L042B076

# 0060: 5322 MHz

# 0766: 5500 MHz

# 0799: 5731 MHz

# 0993: 5757 MHz

# 1086: 5681 MHz

L042B144

# 0743: 5517 MHz

L042B208

# 4360: 5250 MHz

L042B215

# 1783: 5188 MHz

# 5362: 5315 MHz

L042B243

# 0735: 5350 MHz

# 1174: 5800 MHz

# 2751: 5359 MHz

# 2771: 5300 MHz

L042B291

# 2659: 5250 MHz

L042B634

# 0012: 5050 MHz

# 1677: 5350 MHz

# 2212: 5250 MHz

# 2811: 5150 MHz

L042B636

# 0559: 5450 MHz

# 0917: 5350 MHz

# 1159: 5250 MHz

# 2049: 5250 MHz

L042B640

# 0448: 5450 MHz

# 1302: 5450 MHz

# 1318: 5450 MHz

L042B657

# 1552: 5203 MHz

L043B688

# 3739: 5250 MHz

L044B676

# 2197: 5304 MHz

L044B681

# 2508: 5179 MHz

L044A892

# 2368: 5674 MHz

# 2774: 5275 MHz

# 6070: 5587 MHz

3044B310

# 3012: 5550 MHz

L044B441

# 1242: untested

# 1730: 5666 MHz

L044B676

# 2037: 5225 MHz

# 3082: 5200 MHz

L044B678

# 1670: 5650 MHz

L044B682

# 1977: 5181 MHz

L044B690

# 1309: 5250 MHz

# 1336: 5150 MHz

# 1516: 5250 MHz

# 2517: 5450 MHz

# 3121: 5250 MHz

# 3175: 5450 MHz

L044B692

# 0110: 5350 MHz

L044B694

# 0610: 5281 MHz

# 0864: 5300 MHz

L044B723

# 1491: 5150 MHz

# 1628: 5150 MHz

L045A912

# 0002: 5100 MHz

# 0490: 5005 MHz

# 2239: 5700 MHz

# 2255: 5796 MHz

# 2417: 5602 MHz

# 2616: 5600 MHz

# 3054: 5100 MHz

L045A932

# 3171: 5200 MHz

L045A998

# 0584: 5000 MHz

# 2101: 5575 MHz

L045B003

# 1138: 5175 MHz

L045B021

# 1771: 5100 MHz

# 1943: 5350 MHz

L045B331

# 2475: 4970 MHz

# 4442: 5288 MHz

L046B028

# 2704: 5250 MHz

# 3570: 5500 MHz

L046B079

# 0199: 5400 MHz

# 0241: 4900 MHz (not maxed)

# 4532: 5500 MHz

L046B099

# 2567: 5150 MHz

L046B106

# 2212: 5100 MHz

# 2331: 5227 MHz

L046B509

# 0028: 4900 MHz

# 0198: 5460 MHz

# 4294: 5540 MHz

L046B582

# 2105: 5000 MHz

L046B632

# 0015: 5150 MHz

# 0018: 5150 MHz

# 0034: 5450 MHz

# 0048: 5050 MHz

# 0050: 5450 MHz

# 0116: 5020 MHz

# 0116(2): 5300 MHz

# 0118: 5200 MHz

# 0120: 5600 MHz

# 0126: 5450 MHz

# 0137: 5150 MHz

# 0168: 5300 MHz

# 0171: 5560 MHz

# 0199: 5300 MHz

# 0217: 5450 MHz

# 0227: 5390 MHz

# 0233: 5700 MHz

# 0243: 5350 MHz

# 0275: 5350 MHz

# 0330: 5330 MHz

# 0342: 5350 MHz

# 0368: 5150 MHz

# 0424: 5350 MHz

# 0460: 5250 MHz

# 0513: 5350 MHz

# 0522: 5350 MHz

# 0527: 5250 MHz

# 0529: 5150 MHz

# 0530: 5150 MHz

# 0578: 5250 MHz

# 0743: 5450 MHz

# 0744: 5700 MHz

# 0643: 5150 MHz

# 1011: 5200 MHz

# 1088: 5350 MHz

# 1193: 5000 MHz

# 1198: 5250 MHz

# 1321: 5500 MHz

# 1411: 5450 MHz

# 1557: 5300 MHz

# 1563: 5250 MHz

# 1780: 5425 MHz

# 1781: 5120 MHz

# 1793: 4800 MHz

# 1795: 4950 MHz

# 1928: 5100 MHz

# 1930: 5120 MHz

# 2154: 5150 MHz

# 2183: 5220 MHz

# 2228: 5250 MHz

# 2290: 5350 MHz

# 2360: 5300 MHz

# 2493: 5400 MHz

# 2696: 5250 MHz

# 2918: 5250 MHz

# 2939: 5200 MHz

# 3202: 5730 MHz

# 3205: 5525 MHz

3047A237

# ----: 5096 MHz

3047A248

# 4732: 5760 MHz

3047A895

# 0436: 5550 MHz

# 2027: 5633 MHz

L047A898

# 2096: 5650 MHz

# 3264: 5390 MHz

3047A929

# 0268: 5300 MHz

# 0353: 5300 MHz

# 0354: 5238 MHz

# 0938: 5400 MHz

# 1429: 5400 MHz

# 1769: 5238 MHz

3048A395

# 0488: 5100 MHz

3048A446

# 1547: 5450 MHz

# 2537: 5550 MHz

3048A882

# 0209: 5350 MHz

# 0537: 5450 MHz

# 0648: 5150 MHz

# 0651: 5350 MHz

# 2633: 5650 MHz

# 3685: 5250 MHz

# 3692: 5350 MHz

# 4644: 5250 MHz

# 4646: 5150 MHz

# 4647: 5250 MHz

# 4936: 5350 MHz

# 4944: 5250 MHz

# 4958: 5450 MHz

# 4964: 5450 MHz

# 4967: 5650 MHz

# 4977: 5650 MHz

# 5008: 5250 MHz

# 5063: 5450 MHz

# 5109: 5550 MHz

# 5110: 5550 MHz

# 5140: 5650 MHz

L048A937

# 3154: 5250 MHz

L048B237

# 0107: 5445 MHz

# 0136: 5513 MHz

# 2122: 5420 MHz

L048B284

# 1907: 5613 MHz

3049A310

# 0549: 5342 MHz

# 2694: 5323 MHz

3049A327

# 0631: 5530 MHz

# 1639: 5350 MHz

# 2991: 5550 MHz

# 3681: 5850 MHz

3049A330

# 0174: 5250 MHz

3049A385

# 2097: 5847 MHz

L049A796

# 0642: 5666 MHz

3049B334

# 0938: 5450 MHz

# 0884: 5150 MHz

# 1860: 5450 MHz

# 1099: 5450 MHz

# 2920: 5350 MHz

# 2925: 5550 MHz

# 2934: 5350 MHz

# 3312: 5250 MHz

# 3365: 5450 MHz

# 3368: 5550 MHz

# 3371: 5450 MHz

# 3423: 5550 MHz

# 3431: 5350 MHz

# 3456: 5350 MHz

# 5065: 5250 MHz

# 5068: 5250 MHz

# 5070: 5150 MHz

# 5078: 5250 MHz

# 5087: 5350 MHz

# 5092: 5250 MHz

# 5095: 5450 MHz

# 5096: 5350 MHz

3050A420

# 1726: 5450 MHz

3050A749

# 1961: 5250 MHz

L050A853

# 1042: 5400 MHz

# 2329: 5550 MHz

# 1273: 5325 MHz

# 2021: 4944 MHz

# 2624: 5512 MHz

# 2640: 5460 MHz

# 2927: 5506 MHz

L050A993

# 0170: 5400 MHz

# 2532: 5300 MHz

# 26xx: 5400 MHz

# 1948: 5500 MHz

L050B233

# 1568: 5337 MHz

# 2743: 5426 MHz

L050B263

# 0171: 5260 MHz

# 0989: 5350 MHz

# 1816: 5320 MHz

# 2071: 5200 MHz

# 2189: 5150 MHz

# 2991: 5050 MHz

# 3125: 5315 MHz

L051A163

# 2205: 5374 MHz

# 1619: 5250 MHz

L051A863

# 0108: 5500 MHz

L051A869

# 1607: 5200 MHz

# 1608: 5200 MHz

# 1609: 5400 MHz

# 1610: 5100 MHz

L051A872

# 2452: 5600 MHz

L051A975

#----: 5200 MHz

# 4770: 5410 MHz

L051B138

# 0453: 5550 MHz

# 1292: 5500 MHz

# 2128: 5500 MHz

L051B145

# 2243: 5540 MHz

# 2852: 5565 MHz

# 4159: 5410 MHz

L051B163

# 1922: 5650 MHz

# 1924: 5655 MHz

# 3411: 5539 MHz

L051B170

# 0586: 5300 MHz

L051B468

# 1014: 5650 MHz (not maxed)

L051B469

# 1599: 5250 MHz

# 1822: 5450 MHz

# 2128: 5550 MHz

# 2224: 5550 MHz

L051B875

# 2022: 5350 MHz

L052A707

# 1350: 5600 MHz

# 1336: 5622 MHz

# 1637: 5375 MHz

# 2264: 5628 MHz

3101a112

# 3079: 5350 MHz

3101A201

# 0329: 5450 MHz

# 1181: 5500 MHz

# 1358: 5480 MHz

# 1374: 5350 MHz

# 1418: 5350 MHz

# 1499: 5650 MHz

# 1531: 5470 MHz

# 1983: 5750 MHz

# 2011: 5523 MHz

# 2088: 5350 MHz

# 2242: 5470 MHz

# 2247: 5350 MHz

# 3322: 5550 MHz

# 3365: 5550 MHz

3101A482

# 1825: 5300 MHz

# 3533: 5611 MHz

L101B341

# 1720 : 5300 MHz

# 1877: 5500 MHz

L101B356

# 0502: 5450 MHz

# 0507: 5450 MHz

# 0899: 5250 MHz

# 1196: 5650 MHz

# 1310: 5550 MHz

# 1313: 5450 MHz

# 1591: 5550 MHz

# 2020: 5450 MHz

# 2111: 5250 MHz

# 2125: 5350 MHz

# 2128: 5350 MHz

# 2226: 5400 MHz

# 2355: 5250 MHz

# 2529: 5350 MHz

# 2698: 5250 MHz

# 2703: 5450 MHz

# 2706: 5350 MHz

# 2772: 5250 MHz

# 3044: 5450 MHz

3101A359

# 0707: 5325 MHz

L101B372

# 031x: 5339 MHz

L101B381

# 0184: 5600 MHz

# 0404: 5600 MHz

# 0891: 5240 MHz

L101B437

#2052: 4800 MHz

L101B503

# 1980: 5450 MHz

L101B540

# 0955: 5500 MHz

# 1975: 5500 MHz

L101B624

# 0489: 5350 MHz

# 1424: 5328 MHz

L101B801

# 2030: 5350 MHz

# 2218: 5250 MHz

# 3261: 5450 MHz

L102B309

# 2230: 5300 MHz

3102C256

# 0164: 5500 MHz

3102C314

# 0161: 5850 MHz

# 3210: 5450 MHz

3102C318

# 3160: 5550 MHz

3102C367

# 1770: 5050 MHz

# 1891: 5450 MHz

# 1893: 5450 MHz

# 1899: 5450 MHz

# 1966: 5650 MHz

# 2004: 5450 MHz

# 2225: 5550 MHz

# 2237: 5650 MHz

# 2248: 5600 MHz

# 2246: 5450 MHz

3102C393

# 0283: 5450 MHz

# 0478: 5050 MHz

# 0674: 5550 MHz

# 0691: 5350 MHz

# 0704: 5450 MHz

# 1666: 5250 MHz

# 2274: 5350 MHz

# 3292: 5450 MHz

L103A975

# ----: 6003 MHz

L103A978

# 1819: 5250 MHz

# 1913: 5650 MHz

3103B276

# 0302: 5550 MHz

3103B302

# 2099: 5350 MHz

3103B306

# 1281: 5847 MHz

# 1539: 5734 MHz (not maxed)

# 1741: 5450 MHz

# 3155: 5580 MHz

# 3340: 5450 MHz

# 3367: 5758 MHz

# 3929: 5548 MHz

3103B326

# 5775: 5908 MHz

3103B332

# 4469: 5487 MHz

3103B366

# 2781: 5333 MHz

3103B471

# 0438: 5450 MHz

# 1707: 5350 MHz

# 1769: 5150 MHz

# 2000: 5250 MHz

# 2003: 5050 MHz

L104A438

# 1696: 5426 MHz

# 3008: 5400 MHz

# 3686: 5476 MHz

L104A476

# 0160: 5150 MHz

# 1821: 5350 MHz

# 2606: 5450 MHz

# 1763: 5150 MHz

# 2176: 5250 MHz

L104B907

# 1778: 5450 MHz

3104C368

# 4167: 5896 MHz

3104C380

# 1014: 5250 MHz

# 1031: 5350 MHz

# 1477: 5450 MHz

# 1564: 5350 MHz

# 2630: 5450 MHz

# 2735: 5150 MHz

# 2737: 5350 MHz

# 2740: 5250 MHz

# 2746: 5350 MHz

# 2748: 5350 MHz

# 2870: 5250 MHz

# 2871: 5250 MHz

# 2876: 5250 MHz

# 3039: 5350 MHz

# 3092: 5350 MHz

# 3125: 5250 MHz

# 3119: 5350 MHz

# 3099: 5550 MHz

# 3128: 5350 MHz

# 4796: 5050 MHz

# 4799: 5550 MHz

3104C864

# 3355: 5480 MHz

# 4190: 5650 MHz

# 4207: 5550 MHz (bad CB)

# 4287: 5650 MHz

L105A817

# 2531: 5250 MHz

L105A823

# 0647: 5350 MHz

# 0797: 5150 MHz

L105A823

# 1832: 5550 MHz

# 2372: 5350 MHz

# 2454: 5550 MHz

# 2462: 5550 MHz

# 3003: 5450 MHz

L105A941

# 0094: 5250 MHz

# 0102: 5350 MHz

# 1104: 5150 MHz

# 2191: 5250 MHz

# 2286: 5150 MHz

# 2315: 5350 MHz

# 3171: 5150 MHz

3105C379

# 1010: 5350 MHz

# 1200: 5450 MHz

# 1226: 5150 MHz

# 1232: 5250 MHz

# 1293: 5350 MHz

# 2654: 5150 MHz

# 3544: 5350 MHz

# 4564: 5550 MHz

# 4712: 5450 MHz

# 4715: 5150 MHz

3106B261

# 2442: 5650 MHz

# 2700: 5150 MHz

# 2710: 5550 MHz

# 4504: 5650 MHz

3106B395

# 1863: 5350 MHz

# 5244: 5250 MHz

3106B399

# 2470: 5300 MHz

L107A801

# 0465: 5350 MHz

3107B189

# 0217: 5504 MHz

# 2144: 5150 MHz

3107B832

# 1767: 5289 MHz

# 2277: 5150 MHz

# 2888: 5500 MHz (not maxed)

L108A783

# 2753: 5250 MHz

# 3122: 5150 MHz

L108B058

# 1093: 5250 MHz

# 1105: 5350 MHz

# 1127: 5250 MHz

# 1265: 5450 MHz

# 1536: 5350 MHz

# 1745: 5250 MHz

# 2270: 5150 MHz

# 2766: 5250 MHz

# 2882: 5450 MHz

# 3041: 5050 MHz

L108B066

# 3256: 5400 MHz

3108B401

# 1150: 5405 MHz

3110B397

# 3297: 5250 MHz

3113B026

# 0356: 5150 MHz

3114B701

# 1473: 5450 MHz

# 3371: 5350 MHz

L115B966

# 0136: 5155 MHz

# 0713: 5350 MHz

L116B596

# 0021: 5550 MHz

# 0023: 5450 MHz

# 0049: 5350 MHz

# 0124: 5550 MHz

# 0160: 5350 MHz

# 0212: 5250 MHz

# 0232: 5150 MHz

# 0252: 5450 MHz

# 1147: 5700 MHz

# 1374: 5450 MHz

# 1702: 5150 MHz

# 1721: 5550 MHz

# 1730: 5050 MHz

L116B960

# 4852: 5864 MHz

3117B243

# 0340: 5343 MHz

3117B257

# 4116: 5250 MHz

# 4274: 5550 MHz

L117B264

# 2070: 5350 MHz

3118B529

# 2064: 5250 MHz

3119A956

# 4101: 5550 MHz

L119B928

# 2195: 5450 MHz

L121A844

# 2729: 5511 MHz

3129B463

# 0862: 5350 MHz

3129B494

# 1151: 5500 MHz

L129B636

# 2425: 5349 MHz

L129B673

# 1532: 5340 MHz

Edited June 15, 2011 by Massman

Massman · January 9, 2011

I was invited to day by the Belgian high-end PC shop TONES (http://www.tones.be) to play with Sandy Bridge at the Intel launch party. Together with other [M]-boys (Leeghoofd, Pt1t, Gamer, Teemto and Piotke) we tested 5 retail chips. Here's what we found out:

Batch: L039B470

# 0028: 4900 MHz

# 0030: 5200 MHz

# 0298: 5250 MHz

# 4672: 5415 MHz (air)

# 4673: 5375 MHz

Those CPUs had two different types of S/N. The 467x start with 2V036, the others start with 35038.

I also tested one 2500K ES:

Batch: L035B183

# 1377: 5200 MHz

And one 2600K ES:

Batch: L035B191

# 0771: 5288 MHz

oanvoanc · January 9, 2011

thanks for sharing.

i got a 2600K - L039B470 - #0220 (sn:2v036...) 5200mhz (spi stable / 3d not tested yet) on cold water 1,55v(bios)/1,53v(real).

Massman · January 10, 2011

For your information, you can also see the # of the CPU if you look at the sticker on the box. The last 4 digits of the S/N are the same as the ones on the black sticker on your CPU.

TiN · January 10, 2011

What's the point?

Massman · January 10, 2011

Fueling the hope that random numbers will enlighten us on the overclocking capabilities. Also, providing justification for spending money on yet-another CPU by the 'it should be good'-argument.

1Day · January 10, 2011

I guess it is like stamp collection I never saw the point of that but many people love it = and like stamp collecting it does no harm.

Here is mine L040B307

#2458 5.288 GHz

AnotherCanuck · January 10, 2011

Registered just to say I have an i7-2600K...

Batch: L038A659

#: 2083

I'm quite certain it's a dud. It runs incredibly warm (Stock settings: It idles at ~42C while Speedstepped down to 1.6Ghz @ 1v and tops out at 75C under load when turbo'd to 3.5Ghz) and I cannot get it to OC past 4500Mhz. If I set the Vcore any higher than 1.37v the system fails to boot.

I'm using an Asus P8P67 PRO with the latest 1053 BIOS with the PLL Overvoltage fix (enabled).

I'm heading back to the store today to exchange it hopefully.

Edited January 10, 2011 by AnotherCanuck

Massman · January 10, 2011

Okay, added

SniperOZ · January 10, 2011

Core i7 2600K

# 2380: 5387 MHz

Batch: # L042A969

http://valid.canardpc.com/show_oc.php?id=1587186

Edited January 11, 2011 by SniperOZ

tiborrr · January 10, 2011

Multiplier mobo limited, Vcore = 1.435V

Procesor: Core i7 2600K

Stepping: D2

Batch: L038A646, last 4 digits: 1644

CPU cooling: water cooling (29°C)

Board: Gigabyte GA-P67A-UD3 (bios F4)

Stability test (Prime95, Orthos, Linpack, ...):

CPU-Z (2cores, HT off) with PLL overvoltage BIOS F6a:

Vcore still @ 1.435V:

Benchable/Prime stable at the same frequencies, 2D & 3D.

Edited January 12, 2011 by tiborrr

RawZ · January 11, 2011

Core i7 2600K - 5460.96MHz

Batch - L040B690

http://hwbot.org/community/submission/2103711_rawz_cpu_z_core_i7_2600k_5460.96_mhz

Does 4.90GHz 24/7 stable.

Massman · January 11, 2011

Updated!

Can't wait for the Japanese to start blogging thoroughly about their chips

saleen · January 11, 2011

I have a couple of L040B354 in my friend in Detroit. He did some quick stability testing on the 1st and got 4500 Mhz @ 1.235v. Will test more tonight and tomorrow. Will update my post as soon as I have more results to share.

Jaan · January 12, 2011

Another L039B470 from local store- up to 5.3 was quite easy, stopped at 5.4 so far.

1024M stable

http://hwbot.org/community/submission/2104831_jaan_wprime_1024m_core_i7_2600k_2min_22sec_281ms

Gyrock · January 12, 2011

My one is L038A659, #2983, can do 1M@5.49GHz on water. Not that good:D

http://hwbot.org/community/submission/2104870_gyrock_superpi_core_i7_2600k_6sec_750ms?new=true

SoF · January 12, 2011

Core i7 2600K 5 pieces

all batch: L040B165

Testing without internal PLL overvoltage:

1x 4700

1x ~4888

3x 5000

One of them wanted to boot 51x100 but couldn't fully manage it

out of thoose 3x5000 with pll overvoltage

1x 5537 MHZ 32m

1x 5555 MHZ 32m

1x 5588 MHZ 32m

___________________________

Then we have a newer batch now coming which already did multiple 56x100 with pll overvoltage on water and air CPUz

Batch: L040B307

56x100 1.572V

Edited January 12, 2011 by SoF

Pt1t · January 12, 2011

wow this one is good ^^

btw this 40b370 can do 1M to 5.5ghz with 1.51v on air

http://www.pt1t.eu/public/P67/2600K_retail/lol.png

and maxed to 5560.

Monstru · January 12, 2011

Left is 2500K, right is 2600K.

2500K=5320

2600K=5400

Massman · January 12, 2011

Thanks guys! Updated the first page.

Please don't forget to share the # ... need it to rank entries

CAL930 · January 12, 2011

Mine, L038A659, #1080 and the next, L041B204, TEST

http://hwbot.org/community/submission/2103836_cal930_superpi_core_i7_2600k_6sec_687ms

SF3D · January 12, 2011

L039B470 s/n 4 last digits 1633

4/8 threads. 5GHz IBT standard x 20

max 5050MHz Vantage CPU test + 3DM11 etc.

Aircooling.

Tomorrow I will get L040BXXX

tiborrr · January 12, 2011

Massbo, I have updated the post, the last four digits. Post no. 11.

Also added a CPU-Z valid.

tiborrr · January 12, 2011

L039B470 s/n 4 last digits 1633

4/8 threads. 5GHz IBT standard x 20

max 5050MHz Vantage CPU test + 3DM11 etc.

Aircooling.

Tomorrow I will get L040BXXX

How much juice buddy? :cool:

SF3D · January 12, 2011

http://sf3d.pp.fi/images/album/ASUS%20Maximus%20IV%20Extreme%20and%20Sandy%20Bridge/Retail%20sandy%20bridge/

Check the shots from there

Sandy Bridge 2500K/2600K Batch and Serial Numbers

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