PSD34G13332 PSD34G13332H Patriot Memory's Signature Line DDR3 Non-ECC Unbuffered memory delivers quality, reliability and performance expected for today's computer needs. These 4GB modules are designed to run at PC3-10600 (1333MHz) at CAS 9 latency timings. Built using specific build-of-materials (BOMs) we ensure that every module meets and exceeds industry standards: offering you a hassle-free upgrade. We certify every component that goes into our modules, including the modules themselves, which must pass strict standards to ensure compatibility, quality and reliability. With free customer service and a lifetime warranty, Patriot Memory's Signature memory modules are a perfect system upgrade option. SPEED CAS LATENCY VOLTAGE SETTINGS PC3-10600 (1333MHz) CL 9 1.5V Features PC3-10600 (1333MHz) dual Data Rate 240-Pin Dual in-line memory module Non-ECC Unbuffered 2 Rank Double-sided module 7.8US Refresh Interval (8192 CYCLES/64MS) 1.5V Power Requirement Auto and self refresh capability PCB height: 1181(mil) Serial Presence-Detect (SPD) 100% Tested RoHS Compliant