Axiom 8GB DDR3 SDRAM Memory Module - 8 GB (2 x 4 GB) - DDR3 SDRAM - 1600 MHz - 1.50 V - ECC - Unbuffered - 240-pin - DIMM - TAA Compliance RAMEC1600DDR3-4GBX2-AX

Axiom 8GB DDR3 SDRAM Memory Module - 8 GB (2 x 4 GB) - DDR3 SDRAM - 1600 MHz - 1.50 V - ECC - Unbuffered - 240-pin - DIMM - TAA Compliance

DDR3-1600 8GB ECC UDIMM KIT

Technical Specifications:
Memory Size: 8 GB
Memory Technology: DDR3 SDRAM
Memory Voltage: 1.50 V
Number of Modules: 2 x 4GB
Memory Speed: 1600 MHz
Memory Standard: DDR3-1600/PC3-12800
Error Checking: ECC
Signal Processing: Unbuffered
CAS Latency: CL11
Device Supported: Server
Number of Pins: 240-pin
Form Factor: UDIMM
Compatibility: Synology DiskStation Servers DS3615xs

Synology RackStation Servers:

RS18016xs+, RC18015xs+, RS3614xs+, RS3614xs/RS3614RPxs, RS10613xs+, RS3413xs+