Product Comparison
Technical Specifications
Feature
General
Capacity
8 GB
16 GB
8 GB
16 GB
4 GB
OEM Manufacturer Equivalent Part Number
Synology D4ES02-8G
Synology D4ECSO-2666-16G
Synology D4ES01-8G
Synology D4RD-2666-16G
Synology D4NESO-2666-4G
Upgrade Type
System specific
System specific
System specific
System specific
System specific
Memory
Data Integrity Check
ECC
ECC
ECC
ECC
Non-ECC
Features
Unbuffered
Unbuffered
Unbuffered
Registered
Unbuffered
Form Factor
SO-DIMM 260-pin
SO-DIMM 260-pin
SO-DIMM 260-pin
DIMM 288-pin
SO-DIMM 260-pin
Speed
1333 MHz
2666 MT/s (PC4-21300)
1333 MHz
2666 MT/s (PC4-21300)
2666 MT/s (PC4-21300)
Technology
DDR4 SDRAM
DDR4 SDRAM
DDR4 SDRAM
DDR4 SDRAM
DDR4 SDRAM
Type
DRAM memory module
DRAM memory module
DRAM memory module
DRAM memory module
DRAM memory module
Voltage
—
1.2 V
—
1.2 V
1.2 V
Compatibility Information
Designed For
Synology Disk Station DS1522+, DS2422+, DS3622XS+, DS723+, DS923+ Synology RackStation RS822+, RS822RP+
Synology Deep Learning NVR DVA3219
Synology Disk Station DS1621+, DS1621XS+, DS1821+ Synology RackStation RS1221+, RS1221RP+
Synology SA3400 Synology FlashStation FS3400, FS6400
Synology Deep Learning NVR DVA3219




