
Intel SL6BY Pentium II 266 MHz CPU Processor
Classic Computing: Intel PII 266 MHz CPU Relive the early days of personal computing with the Intel PII 266 MHz CPU. This classic processor, featuring 512k cache and designed for Slot 1, is a piece of computing history. Ideal for retro computing enthusiasts and collectors. Specifications: Pr...
*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
Notice a mistake? Let Us Know
Overview
Classic Computing: Intel PII 266 MHz CPU
Relive the early days of personal computing with the Intel PII 266 MHz CPU. This classic processor, featuring 512k cache and designed for Slot 1, is a piece of computing history. Ideal for retro computing enthusiasts and collectors.
Specifications:
- Processor: Intel PII
- Clock Speed: 266 MHz
- Cache: 512k
- Socket Type: Slot 1
- Model: SL2HC
Key Features
Server CPU, Intel 94-96, PHILLIPPINES, SECC 3.00
Enterprise Class Server CPU, SLOT 1 CPU, BUS FREQ: 66MHZ.
266mhz CPU KLAMATH PROCESSOR CORE, TAGRAM T6
Intel Pentium II-S, 266MHZ, 512KB L2 CHACHE, PN:80522PX266512
INTEL PN:80522PX266512
Specifications
Pros & Cons
👍 Pros
- Features a 266 MHz Klamath Processor Core, representing an early and notable generation of Intel Pentium II CPUs
- Equipped with a 512KB L2 Cache, which enhances processing efficiency for tasks compatible with its architecture
- Designed as an Enterprise Class Server CPU, indicating its intended reliability and performance for server environments
- Utilizes the SLOT 1 CPU interface, a distinct form factor from its era, offering specific system upgrade paths
- The "TAGRAM T6" designation might indicate specific manufacturing or revision details for enthusiasts
👎 Cons
- The 266 MHz clock speed is extremely low by modern standards, rendering it unsuitable for contemporary computing tasks
- Operates on a 66MHz bus frequency, which is significantly slower than current CPU bus speeds, limiting data throughput
- Designed for the SLOT 1 interface, making it compatible only with very old motherboards and limiting modern upgrade options
- As a Pentium II CPU, it is a legacy component, lacking modern instruction sets, security features, and power efficiency
- The 512KB L2 cache, while notable for its time, is minuscule compared to today's multi-megabyte caches, affecting performance