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Intel

Intel Pentium II SL2U6 400MHz Slot 1 CPU 80523PY400512PE 512KB L2 No Heatsink

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SKU:
23112
MPN:
SL2U6
Condition:
Used
Availability:
Usually ships within 1-2 business days.
Weight:
0.95 LBS
Shipping:
Calculated at Checkout
  • Intel Pentium II SL2U6 SECC processor — top view showing Pentium II branding and Intel logo
  • Intel Pentium II SL2U6 — bottom view showing heatsink mounting area with residual thermal compound, no heatsink attached
  • Intel Pentium II SL2U6 processor label showing part number 80523PY400512PE, SL2U6 stepping, and Malaysia origin
$25.00
Was: $50.00
Current Stock: 6

Sold Out

Description

Intel Pentium II SL2U6 400MHz Slot 1 CPU 80523PY400512PE 512KB L2 No Heatsink

A single-core processor from Intel's Pentium II line, running at 400MHz with 512KB L2 cache. This CPU uses the Slot 1 interface and was manufactured on a 0.25 micron process.

Specifications & What's Included

  • Model: SL2U6 (MPN: 80523PY400512PE)
  • Clock Speed: 400MHz / Bus Speed: 100MHz
  • L2 Cache: 512KB / Core Voltage: 2.0V
  • Socket: Slot 1 / Package: SECC
  • Process: 0.25 micron / Cores: 1
  • CPU only — no heatsink included

Applications

Pentium II processors powered desktop and mobile systems throughout the late 1990s, supporting operating systems including Windows 95, 98, NT, and early Linux distributions. This 400MHz variant fits Slot 1 motherboards designed for Pentium II compatibility. It was used in workstations, business PCs, and consumer systems of that era. Suitable for retrocomputing builds, system restoration, or historical computing platforms.

Condition: Used
This Intel Pentium II SL2U6 400MHz Slot 1 CPU has been tested at our facility and confirmed to boot a PC to BIOS — it is in working order. The heatsink is not included; thermal compound residue is visible on the mounting plate, as shown in the photos. The SECC cartridge shell shows normal wear consistent with prior installation and removal. The label on the edge connector reads 80523PY400512PE / SL2U6, manufactured in Malaysia. Please view our photo set and contact us if you have any questions. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function.
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Warranty Information

We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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Additional Information

Brand:
Intel
Model:
SL2U6
MPN:
80523PY400512PE
Type:
CPU / Processor
SKU:
23112
Processor Family:
Intel Pentium II
Processor Core:
Deschutes
Clock Speed:
400 MHz
Bus Speed:
100 MHz
L2 Cache Size:
512 KB
Core Voltage:
2.0 V
Socket Type:
Slot 1
Package:
SECC
Manufacturing Technology:
0.25 micron
Number of Cores:
1
Country/Region of Manufacture:
Malaysia
Condition:
Used – Inspected and Tested
Seller Notes:
CPU only — no heatsink included. Tested and boots to BIOS.
Compatible With:
Slot 1 motherboards supporting Pentium II 400MHz
Condition Notes:
Intel Pentium II SL2U6 400MHz Slot 1 CPU. Tested and confirmed to boot to BIOS — working order. No heatsink included; thermal compound residue visible on mount. Normal cosmetic wear. Unit shipped may vary from photo.
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