<ul><li>A-Tech Memory RAM compatible for QNAP TS-855X NAS system(s): TS-855X-8G</li><li>64 GB Kit, (4 x 16GB Modules); DDR4 DIMM 288-Pin; Speeds up to 2933 MHz, PC4-23400 (PC4-2933Y)</li><li>ECC Unbuffered UDIMM; 2Rx8 (Dual Rank x8); JEDEC DDR4 standard 1.2V</li><li>Expands your system's available memory resource improving performance, reducing bottlenecks, and increasing workload capacity</li><li>Note: This memory is ECC Unbuffered and cannot be mixed with different ECC types such as ECC Registered, ECC Load Reduced, or Non-ECC Unbuffered; (Refer to your system's manual for memory seating and channel guidelines)</li><li>All A-Tech memory modules undergo stringent quality control testing to ensure dependable and reliable performance</li><li>Backed by A-Tech's Limited Lifetime Warranty and supported by our knowledgeable Tech Team available to help before and after your purchase</li></ul><br><br>

A-Tech 64GB Kit (4x16GB) RAM for QNAP TS-855X NAS | DDR4 2933MHz PC4-23400 ECC UDIMM 2Rx8 1.2V 288-Pin ECC Unbuffered DIMM Memory Upgrade