![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)
Amazon.com: QNAP 8GB DDR4-2133 RAM Module R-DIMM - 8 GB - DDR4 SDRAM - 2133 MHz - Registered - 288-pin - DIMM : Electronics
![A-Tech 8GB Replacement for Samsung M391A1G43DB0-CPB - DDR4 2133MHz PC4-17000 ECC Unbuffered UDIMM 2rx8 1.2v - Single Server Memory Ram Stick (M391A1G43DB0-CPB-ATC) at Amazon.com A-Tech 8GB Replacement for Samsung M391A1G43DB0-CPB - DDR4 2133MHz PC4-17000 ECC Unbuffered UDIMM 2rx8 1.2v - Single Server Memory Ram Stick (M391A1G43DB0-CPB-ATC) at Amazon.com](https://m.media-amazon.com/images/I/71UL9JpdThL._AC_SY450_.jpg)
A-Tech 8GB Replacement for Samsung M391A1G43DB0-CPB - DDR4 2133MHz PC4-17000 ECC Unbuffered UDIMM 2rx8 1.2v - Single Server Memory Ram Stick (M391A1G43DB0-CPB-ATC) at Amazon.com
![3TQ35AT TNC Smart Buy 8GB 1X8GB DDR4-2666 Genuine 3TQ35AT 8gb Ddr4 SDRAM Memory Module - 8 GB 1 X 2666 MHz for at Amazon.com 3TQ35AT TNC Smart Buy 8GB 1X8GB DDR4-2666 Genuine 3TQ35AT 8gb Ddr4 SDRAM Memory Module - 8 GB 1 X 2666 MHz for at Amazon.com](https://m.media-amazon.com/images/I/518pCfdH4KL._AC_.jpg)
3TQ35AT TNC Smart Buy 8GB 1X8GB DDR4-2666 Genuine 3TQ35AT 8gb Ddr4 SDRAM Memory Module - 8 GB 1 X 2666 MHz for at Amazon.com
![Axiom 8GB DDR4 SDRAM Memory Module - for Mini PC - 8 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - CL19-1.20 V - 260-pin - SoDIMM - TAA Compliance at Amazon.com Axiom 8GB DDR4 SDRAM Memory Module - for Mini PC - 8 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - CL19-1.20 V - 260-pin - SoDIMM - TAA Compliance at Amazon.com](https://m.media-amazon.com/images/I/41AOoRXfnSL._AC_SX450_.jpg)
Axiom 8GB DDR4 SDRAM Memory Module - for Mini PC - 8 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - CL19-1.20 V - 260-pin - SoDIMM - TAA Compliance at Amazon.com
![AddOn 8GB DDR4 SDRAM Memory Module - 8 GB (1 X 8 GB) - DDR4 SDRAM - 2400 MHz DDR4-2400/PC4-19200 - at Amazon.com AddOn 8GB DDR4 SDRAM Memory Module - 8 GB (1 X 8 GB) - DDR4 SDRAM - 2400 MHz DDR4-2400/PC4-19200 - at Amazon.com](https://m.media-amazon.com/images/I/31ivNi2FAGL._AC_.jpg)
AddOn 8GB DDR4 SDRAM Memory Module - 8 GB (1 X 8 GB) - DDR4 SDRAM - 2400 MHz DDR4-2400/PC4-19200 - at Amazon.com
![Samsung 8GB DDR4 PC4-19200, 2400MHz, 260 PIN SODIMM, Dual Ranked CL 17, 1.2V, ram Memory Module at Amazon.com Samsung 8GB DDR4 PC4-19200, 2400MHz, 260 PIN SODIMM, Dual Ranked CL 17, 1.2V, ram Memory Module at Amazon.com](https://m.media-amazon.com/images/I/51aNqZWC2lL._AC_SX450_.jpg)
Samsung 8GB DDR4 PC4-19200, 2400MHz, 260 PIN SODIMM, Dual Ranked CL 17, 1.2V, ram Memory Module at Amazon.com
![Astra-Gear 8GB(1x8GB) 2666MHz DDR4 Unbuffered Non-ECC U-DIMM Upgrade for Desktop Memory Ram 1.2V CL19 260-Pin(AHD19S8G26S) at Amazon.com Astra-Gear 8GB(1x8GB) 2666MHz DDR4 Unbuffered Non-ECC U-DIMM Upgrade for Desktop Memory Ram 1.2V CL19 260-Pin(AHD19S8G26S) at Amazon.com](https://m.media-amazon.com/images/I/71YQxFW8MTL._AC_SY450_.jpg)
Astra-Gear 8GB(1x8GB) 2666MHz DDR4 Unbuffered Non-ECC U-DIMM Upgrade for Desktop Memory Ram 1.2V CL19 260-Pin(AHD19S8G26S) at Amazon.com
![Amazon.com: Crucial 32GB Kit (16GBx2) DDR4 2666 MT/s (PC4-21300) DR X8 DIMM 288-Pin Memory - CT2K16G4DFD8266 : Everything Else Amazon.com: Crucial 32GB Kit (16GBx2) DDR4 2666 MT/s (PC4-21300) DR X8 DIMM 288-Pin Memory - CT2K16G4DFD8266 : Everything Else](https://m.media-amazon.com/images/I/61F3iyHZd0L._AC_SS450_.jpg)
Amazon.com: Crucial 32GB Kit (16GBx2) DDR4 2666 MT/s (PC4-21300) DR X8 DIMM 288-Pin Memory - CT2K16G4DFD8266 : Everything Else
![Amazon.com : AddOn 8GB DDR4 SDRAM Memory Module - for Computer - 8 GB (1 x 8 GB) - DDR4-2666/PC4-21300 DDR4 SDRA : Electronics Amazon.com : AddOn 8GB DDR4 SDRAM Memory Module - for Computer - 8 GB (1 x 8 GB) - DDR4-2666/PC4-21300 DDR4 SDRA : Electronics](https://m.media-amazon.com/images/I/41Rgi9gI7HL._AC_SY355_.jpg)