OWC 8GB UPGRADE: Consists of a single 8GB DDR4 3200 PC4-25600 CL22 1Rx8 288-pin 1.2V ECC Unbuffered DIMM Memory RAM Module Upgrade memory module compatible with QNAP models TS-h1887XU, TS-h2287XU, TS-h3087XU, TS-h3088XU-RP And TS-h987XU. 100% COMPLIANT: JEDEC-Standard and ROHS Compliant. Warranty-Safe Upgrade. Designed and Tested to Meet or Exceed all Manufacturer OEM Specs. EASY INSTALLATION: In Most Cases, Installing Memory is an Easy DIY project. Watch our OWC Basic Installation Video for Help. INDUSTRY LEADING: Consumer-friendly Advanced Replacement Program and Limited Lifetime Warranty, which includes Free Tech Support by Other World Computing. Replacement for QNAP part numbers RAM-8GDR4ECT0-UD-3200 and RAM-8GDR4ECI0-UD-3200.