![Amazon.com: Axiom 8GB DDR4 SDRAM Memory Module - for NAS Server - 8 GB (1 x 8 GB) - DDR4-2666/PC4-21300 DDR4 SD : Electronics Amazon.com: Axiom 8GB DDR4 SDRAM Memory Module - for NAS Server - 8 GB (1 x 8 GB) - DDR4-2666/PC4-21300 DDR4 SD : Electronics](https://m.media-amazon.com/images/I/41KjmJ9H8xL._AC_.jpg)
Amazon.com: Axiom 8GB DDR4 SDRAM Memory Module - for NAS Server - 8 GB (1 x 8 GB) - DDR4-2666/PC4-21300 DDR4 SD : Electronics
![Crucial 8GB Single DDR4 2400 MT/S (PC4-19200) SR x8 SODIMM 260-Pin Memory - CT8G4SFS824A at Amazon.com Crucial 8GB Single DDR4 2400 MT/S (PC4-19200) SR x8 SODIMM 260-Pin Memory - CT8G4SFS824A at Amazon.com](https://m.media-amazon.com/images/I/51esjcOy79L._AC_SY580_.jpg)
Crucial 8GB Single DDR4 2400 MT/S (PC4-19200) SR x8 SODIMM 260-Pin Memory - CT8G4SFS824A at Amazon.com
![Kingston 8GB 288-Pin DDR4 SDRAM DDR4 2133 (PC4 17000) Desktop Memory Model KVR21N15D8/8. at Amazon.com Kingston 8GB 288-Pin DDR4 SDRAM DDR4 2133 (PC4 17000) Desktop Memory Model KVR21N15D8/8. at Amazon.com](https://images-na.ssl-images-amazon.com/images/I/417nOIOljFL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOUR%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA15%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Kingston 8GB 288-Pin DDR4 SDRAM DDR4 2133 (PC4 17000) Desktop Memory Model KVR21N15D8/8. at Amazon.com
![Amazon.com: QNAP 8GB DDR4-2133 RAM Module R-DIMM - 8 GB - DDR4 SDRAM - 2133 MHz - Registered - 288-pin - DIMM : Electronics Amazon.com: QNAP 8GB DDR4-2133 RAM Module R-DIMM - 8 GB - DDR4 SDRAM - 2133 MHz - Registered - 288-pin - DIMM : Electronics](https://m.media-amazon.com/images/I/41ndcVuydQL._AC_SX355_.jpg)