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.
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.
Warranty Information
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. |