2-power 2P-A2537139 - 4 GB - 1 x 4 GB - DDR2 - 800 MHz

For systems still running DDR2-era platforms, finding a reliable 4GB module that actually works at 800MHz without compatibility headaches is surprisingly rare. The 2-POWER 2P-A2537139 cuts through that uncertainty: a single 4GB DDR2-800 stick, built on the PC2-6400 standard, with the exact 240-pin desktop DIMM layout your motherboard expects. No ECC, no buffering—just straightforward, high-density memory for older desktops that need a serious capacity bump.

Highlights

• 4GB capacity on a single module—maximises available slots for future expansion
• DDR2-800 (PC2-6400) speed for balanced performance and compatibility
• 240-pin DIMM form factor, non-ECC and unbuffered for standard desktop boards
• Runs at the standard 1.8V DDR2 voltage—no exotic power requirements
• Ideal for upgrading older PCs, workstations, or legacy industrial systems

In daily use

Pop this module into a free DDR2 slot and you'll immediately notice smoother multitasking, faster application loading, and the ability to keep more browser tabs or documents open at once. Because it's a single 4GB stick, you retain flexibility: add another later to reach 8GB, or pair it with existing modules (check your board's maximum supported capacity). The unbuffered, non-ECC design matches what most consumer and business desktops of that era were built for, so you avoid the compatibility traps of server-oriented memory.

Full specifications

• Brand: 2-POWER
• Model: 2P-A2537139
• Memory type: DDR2 SDRAM
• Capacity: 4 GB (1 x 4 GB)
• Speed: 800 MHz (PC2-6400)
• Form factor: 240-pin DIMM
• Error correction: Non-ECC
• Buffering: Unbuffered
• Voltage: 1.8 V
• Application: Desktop PC
• Pins: 240

Final note

When your legacy desktop needs a dependable memory upgrade without guesswork, the 2-POWER 2P-A2537139 delivers the exact spec you need—4GB, DDR2-800, 240-pin, non-ECC—in one straightforward module.