Synology D4ES03-8G

1 x 8GB, 2666 MHz, DDR4-RAM, SO-DIMM
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Product details

The Synology D4ES03-8G is a powerful DDR4 RAM designed specifically for use in NAS systems and workstations. With a storage capacity of 8 GB per module and a speed of 2666 MHz, this SO-DIMM RAM provides reliable and efficient performance for demanding applications. The RAM is equipped with ECC (Error-Correcting Code), which means it can automatically detect and correct memory errors to ensure the stability and integrity of data. This makes it particularly suitable for use in servers and critical work environments where data loss or corruption cannot be tolerated. The D4ES03-8G is an ideal upgrade for Synology NAS models, especially for the DS925+ series, and helps improve the overall performance and responsiveness of the system.

  • Storage capacity of 8 GB per module
  • Operating frequency of 2666 MHz
  • ECC technology for error correction
  • Optimized for Synology NAS models, especially DS925+.

Key specifications

Memory configuration
1 x 8GB
Memory type
DDR4-RAM
Storage clock frequency
2666 MHz
Voltage
1.20 V

General information

Item number
57572375
Manufacturer
Synology
Category
RAM
Manufacturer no.
D4ES03-8G
Release date
11.4.2025
Sales rank in Category RAM
64 of 4556
External links
Manufacturer's site (de)

Colour

Colour
Green
Exact colour description
Green&nbsp

Memory

Memory configuration
1 x 8GB
Memory type
DDR4-RAM
Storage clock frequency
2666 MHz
Memory form factor
SO-DIMM
Number of pins
260x
RAM buffer
Unbuffered

Power supply

Voltage
1.20 V

Origin

Country of origin
Taiwan

Voluntary climate contribution

CO₂ emissions
129.25 kg
Climate contribution
CHF 3.07

Product dimensions

Height
15 mm

Package dimensions

Length
13 cm
Width
9.50 cm
Height
1.10 cm
Weight
29 g

30-day right of return
24 Months Warranty (Bring-in)
13 additional offers

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «RAM» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 5.HP
    0.3 %
  • 6.HPE
    0.4 %
  • 6.Synology
    0.4 %
  • 6.V7
    0.4 %
  • 9.Transcend
    0.5 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Synology
    Not enough data
  • 1.2-Power
    0 days
  • 1.Dell
    0 days
  • 1.HPE
    0 days
  • 1.Mushkin
    0 days

Return rate

How often is a product of this brand in the «RAM» category returned?

Source: Digitec Galaxus
  • 2.Crucial
    3.9 %
  • 3.Kingston
    4.6 %
  • 3.Synology
    4.6 %
  • 5.Lexar
    4.8 %
  • 5.Silicon Power
    4.8 %
Source: Digitec Galaxus