List of Intel P6-based Xeon microprocessors

Main article: Lists of Xeon microprocessors

Pentium II Xeon

"Drake" (250 nm)
  • All models support: MMX
  • All models support quad-processor configurations
Model
number		 sSpec
number		 Frequency L2
cache		 FSB Mult. Voltage TDP Socket Release date Part
number(s)		 Release
price (USD)
Pentium II Xeon 400
  • SL2RH (B0)
  • SL344 (B0)
  • SL34H (B1)
  • SL35N (B1)
 400 MHz 512 KB 100 MT/s 4× 2.0 V
30.8 W
June 1998
  • 80523KX400512
  • BX80523KX400512
  • BX80523KX40N512
 $1124
Pentium II Xeon 400
  • SL2NB (B0)
  • SL345 (B0)
  • SL34J (B1)
  • SL35P (B1)
 400 MHz 1 MB 100 MT/s 4× 2.0 V
38.1 W
  • Slot 2
 June 1998
  • 80523KX4001M
  • BX80523KX40
  • BX80523KX40
 $2836
Pentium II Xeon 450
  • SL2XJ (B1)
  • SL354 (B1)
  • SL36W (B1)
  • SL33T (B1)
 450 MHz 512 KB 100 MT/s 4.5× 2.0 V
34.5 W
  • Slot 2
 October 1998
  • 80523KX450512
  • BX80523KX450512
  • BX80523KX45G512
 $824
Pentium II Xeon 450
  • SL2XK (B1)
  • SL33U (B1)
 450 MHz 1 MB 100 MT/s 4.5× 2.0 V
42.8 W
  • Slot 2
 January 1999
  • 80523KX4501M
  • BX80523KX4501M
 $1980
Pentium II Xeon 450
  • SL2XL (B1)
  • SL33V (B1)
 450 MHz 2 MB 100 MT/s 4.5× 2.0 V
46.7 W
  • Slot 2
 January 1999
  • 80523KX4502M
  • BX80523KX4502M
 $3692

Pentium III Xeon

"Tanner" (250 nm)
Model
number		 sSpec
number		 Frequency L2
cache		 FSB Mult. Voltage TDP Socket Release date Part
number(s)		 Release
price (USD)
Pentium III Xeon 500
  • SL2XU (B0)
  • SL3C9 (B0)
  • SL385 (C0)
  • SL3D9 (C0)
 500 MHz 512 KB 100 MT/s 5× 2.0 V
36 W
March 17, 1999
  • 80525KX500512
  • 80525KY500512
 $931
Pentium III Xeon 500
  • SL2XV (B0)
  • SL3CA (B0)
  • SL386 (C0)
  • SL3DA (C0)
 500 MHz 1 MB 100 MT/s 5× 2.0 V
44 W
  • Slot 2
 March 17, 1999
  • 80525KX5001M
  • 80525KY5001M
 $1980
Pentium III Xeon 500
  • SL2XW (B0)
  • SL3CB (B0)
  • SL387 (C0)
  • SL3DB (C0)
 500 MHz 2 MB 100 MT/s 5× 2.0 V
36.2 W
  • Slot 2
 March 17, 1999
  • 80525KX5002M
  • 80525KY5002M
 $3692
Pentium III Xeon 550
  • SL3FK (C0)
  • SL3FR (C0)
  • SL3LM (C0)
  • SL3Y4 (C0)
  • SL3AJ (C0)
 550 MHz 512 KB 100 MT/s 5.5× 2.0 V
34 W
  • Slot 2
 April 7, 1999
  • 80525KY550512
 OEM
Pentium III Xeon 550
  • SL3LN (C0)
  • SL3TW (C0)
  • SL3CE (C0)
 550 MHz 1 MB 100 MT/s 5.5× 2.0 V
34 W
  • Slot 2
 August 23, 1999
  • 80525KY5501M
 OEM
Pentium III Xeon 550
  • SL3CF (C0)
  • SL3LP (C0)
 550 MHz 2 MB 100 MT/s 5.5× 2.0 V
34 W
  • Slot 2
 August 23, 1999
  • 80525KY5502M
 OEM

"Cascades" (180 nm)
  • All models support: MMX, SSE
  • Only Xeon 700 and 900 are capable of quad processor configurations
  • ALL models shipped in either 2.8v, 5v, or 12v voltage variants
Model
number		 sSpec
number		 Frequency L2
cache		 FSB Mult. Voltage TDP Socket Release date Part
number(s)		 Release
price (USD)
Pentium III Xeon 600
  • SL3BJ (A2)
  • SL3WM (B0)
  • SL3BK (A2)
  • SL3WN (B0)
  • SL3SS (A2)
 600 MHz 256 KB 133 MT/s 4.5× 2.8–12 V
19.2 W
  • Slot 2
 October 1999
  • 80526KZ600256
  • BX80526KZ600256
 $505[1]
Pentium III Xeon 667
  • SL3BL (A2)
  • SL3WP (B0)
  • SL3DC (A2)
  • SL3WQ (B0)
  • SL3ST (A2)
 667 MHz 256 KB 133 MT/s 5× 2.8–12 V
21.3 W
  • Slot 2
 October 25, 1999
  • 80526KZ667256
 $655[1]
Pentium III Xeon 700
  • SL3U4, SL4GD, SL3U5, SL4GE (A0)
  • SL49P, SL49Q, SL4RZ (A1)
  • SL4XU (B1)
  • SL5D4, SL4XV (B0)
 700 MHz 1 MB 100 MT/s 7× 2.8–12 V
29.6 W
  • Slot 2
 May 22, 2000
  • 80526KY7001M
 $1,177[2]
Pentium III Xeon 700
  • SL49R, SL49S, SL4R3 (A1)
  • SL3WZ, SL4GF, SL3X2, SL4GG (A0)
  • SL4XW, SL5D5, SL4XX (B0)
 700 MHz 2 MB 100 MT/s 7× 2.8–12 V
29.6 W
  • Slot 2
 May 22, 2000
  • 80526KY7002M
 $1,980[2]
Pentium III Xeon 733
  • SL3SF (A2)
  • SL3SG (A2)
  • SL3SU (A2)
  • SL3WR (B0)
  • SL3WS (B0)
  • SL4H6 (C0)
  • SL4H7 (C0)
 733 MHz 256 KB 133 MT/s 5.5× 2.8–12 V
23.3 W
  • Slot 2
 October 25, 1999
  • 80526KZ733256
 $826[1]
Pentium III Xeon 800
  • SL3V2 (A2)
  • SL3V3 (A2)
  • SL3VU (A2)
  • SL3WT (B0)
  • SL3WU (B0)
  • SL4H8 (C0)
  • SL4H9 (C0)
 800 MHz 256 KB 133 MT/s 6× 2.8–12 V
25.4 W
  • Slot 2
 January 12, 2000
  • 80526KZ800256
 $901[3]
Pentium III Xeon 866
  • SL3WV (B0)
  • SL3WW (B0)
  • SL4PZ (B0)
  • SL4HA (C0)
  • SL4HB (C0)
  • SL4U2 (C0)
 867 MHz 256 KB 133 MT/s 6.5× 2.8–12 V
29.6 W
  • Slot 2
 April 10, 2000
  • 80526KZ866256
  • BX80526KZ866256
  • BX80526KB866256
 $826[4]
Pentium III Xeon 900
  • SL4XY (B0)
  • SL4XZ (B0)
  • SL5D3 (B0)
 900 MHz 2 MB 100 MT/s 9× 2.8–12 V
39.3 W
  • Slot 2
 March 21, 2001[lower-alpha 1]
  • 80526KY9002M
 $3,692[8]
Pentium III Xeon 933
  • SL3WX (B0)
  • SL3WY (B0)
  • SL4HC (C0)
  • SL4HD (C0)
  • SL4R9 (C0)
  • SL4U3 (C0)
 933 MHz 256 KB 133 MT/s 7× 2.8–12 V
29.6 W
  • Slot 2
 May 24, 2000
  • 80526KZ933256
  • 80526KB933256
 $794[9]
Pentium III Xeon 1.00
  • SL4HE (C0)
  • SL4HF (C0)
  • SL4Q2 (C0)
 1000 MHz 256 KB 133 MT/s 7.5× 2.8–12 V
30.8 W
  • Slot 2
 August 22, 2000
  • 80526KZ1000256
  • 80526KB001256

Notes
  1. Withdrawn in July due to a bug,[5] fixed by late August,[6] shipping again in September.[7]

References
  1. "Intel Introduces 15 New Pentium® III And Pentium III XeonTM Processors Built On Advanced 0.18-Micron Technology". Intel.
  2. "Intel Introduces New Processors For High-End Servers". Intel. 22 May 2000.
  3. "Intel Introduces New High Performance Processor For Servers And Workstations". Intel.
  4. "Intel Boosts Workstation Performance With New Processors". Intel.
  5. Neel, Dan (12 July 2001). "Intel stops shipments of 900MHz Xeon". CNN.
  6. "Intel Pentium III Xeon 900MHZ / 2MB TPR issue - Servers". IBM Support. Retrieved 29 April 2022.
  7. "Form 10-K for the fiscal year ended December 29, 2001". Intel.
  8. "Intel Ships 900 MHz Xeons". rcpmag.com.
  9. "Intel Introduces Pentium® III Processor At 933 MHz". Intel.
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