The Hynix HMT351U6CFR8C-H9-N0AA is a 4GB DDR3-1333MHz PC3-10600 non-ECC unbuffered memory module. Featuring a CL9 latency and 240-pin UDIMM design, this dual-rank memory provides reliable performance and stability for desktop systems, enhancing overall computing efficiency. It operates at 1.5V, making it a suitable upgrade for various PC configurations.