1pcs 8GB PC3-8500 CL7 1066MHz NON ECC Module 240PIN DIMM NON REGISTER. Memory upgrade information Dual channel memory architecture Two 240-pin DDR3 UDIMM sockets Supports DDR3 UDIMMs PC3 8500 (1066 MHz) PC3 10600 (1333 MHz) PC3 12800 (1600 MHz with Ivy Bridge processors) Non-ECC memory only, unbuffered Supports up to 4 GB on 32-bit* systems Supports up to 16 GB on 64-bit systems (with 8 GB UDIMMs) Lifetime Warranty 30 Day Money Back Guarantee We don't use Generic or OEM Parts to avoid incompatibility specially in HP systems. Genuine CMS brand, CMS is one of the most trusted names in the Computer Memory industry and this product carries a Lifetime Warranty from CMS A 64-bit operating system is required to utilize more than 4GB of memory.
Compatible with: HP Pavilion p2-1320a, p2-1320jp, p2-1321a, p2-1321l MODULES MAY BE INSTALLED ONE AT A TIME; however, they must be added in like pairs to take advantage of dual-channel support.