Intel
Intel BX80526C800256E Pentium III 800MHz CPU
★★★★★
Reliable Performance for Legacy SystemsIntroducing the Intel 800MHz PIII Processor. A dependable CPU designed for older systems, this processor delivers stable performance for Socket-370 motherboards. Processor Speed: 800 MHz Side Bus Speed: 133 MHz Cache: 256K Socket Type: Socke...
$29.00*
View on Amazon
✓ In Stock on Amazon.com
*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.
Notice a mistake? Let Us Know
Overview
Reliable Performance for Legacy Systems
Introducing the Intel 800MHz PIII Processor. A dependable CPU designed for older systems, this processor delivers stable performance for Socket-370 motherboards.
- Processor Speed: 800 MHz
- Side Bus Speed: 133 MHz
- Cache: 256K
- Socket Type: Socket-370
Key Features
Intel pentium 3 800 MHz 133 side bus socket 370 CPU
Specifications
Processor Model
Pentium III
Clock Speed
800MHz
Side Bus Speed
133
Socket Type
Socket 370
Similar Products
Other products from the same family that visitors often consider:
✓ AvailableIntel SL52R Pentium III 1000MHz CPU
$87.76
View on Amazon →
Currently UnavailableIntel SL43J Pentium III 866MHz CPU
Check on Amazon →
✓ AvailableIntel RB80526PZ001256 Pentium III - 1GHz CPU Processor
$99.95
View on Amazon →
✓ AvailableIntel SL3XY Pentium III 733MHz CPU Processor
$24.99
View on Amazon →
Currently UnavailableIntel SL5PU Pentium III 1.13GHz Socket 370 CPU
Check on Amazon →Pros & Cons
👍 Pros
- Operates at 800MHz, offering a specific performance level for compatible systems.
- Features a 133 side bus, indicating its compatibility with certain motherboard architectures.
- Utilizes the Socket 370 interface, making it suitable for motherboards designed for this socket type.
- An Intel Pentium III processor, a well-established and recognized CPU series.
- Provides a foundational component for building or upgrading legacy computer systems.
👎 Cons
- The 800MHz clock speed is very low by modern standards, unsuitable for current applications.
- Socket 370 is an older architecture, limiting compatibility with modern motherboards and components.
- The 133 side bus speed is significantly slower than contemporary processor bus speeds.
- As an older CPU, it lacks modern instruction sets and architectural efficiencies found in newer processors.
- Finding compatible new motherboards, RAM, and other components for this CPU can be challenging.
Frequently Asked Questions
What kind of motherboard is compatible with the Intel Pentium III 800MHz CPU?
This Intel Pentium III processor requires a motherboard that features a Socket 370 interface and supports a 133MHz front-side bus (FSB) to ensure compatibility.
Is this CPU suitable for modern gaming or productivity tasks?
No, the Intel Pentium III 800MHz CPU is an older processor and is not suitable for modern gaming, demanding productivity tasks, or contemporary operating systems due to its limited clock speed and architecture.
What is the significance of the 133 side bus?
The 133 side bus (or front-side bus, FSB) is the speed at which the CPU communicates with the rest of the computer's components, such as memory and the chipset. A 133MHz FSB was standard for its era but is very slow by today's standards.
Can this processor be used for building a retro computer system?
Yes, the Intel Pentium III 800MHz CPU is an ideal component for building or restoring a retro computer system from its era, allowing for the experience of vintage software and operating systems.
Does this CPU come with a cooling solution?
The provided product information does not specify if a cooling solution (such as a heatsink and fan) is included with the Intel BX80526C800256E Pentium III 800MHz CPU.
Related Products
