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Poshace
A-Tech A-Tech 16GB RAM for Synology D4ECSO-2666-16G D4ES01-16G DDR4 2666 MHz SODIMM ECC Unbuffered Memory for NAS NVR Servers
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A-Tech

A-Tech 16GB RAM for Synology D4ECSO-2666-16G D4ES01-16G DDR4 2666 MHz SODIMM ECC Unbuffered Memory for NAS NVR Servers

★★★★★4.5(39 ratings on Amazon)
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₹38,005.27

All taxes included | Tracking provided

● IN STOCK

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100% Authentic
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7-Day Returns
GST Invoice

We'll notify you the moment the price drops. No spam — one email, one alert.

US Store

Authentic source

Ships to India

Free shipping

12-21 Days

With tracking

Ships direct from US suppliers for authenticity and better pricing.

Payment methods

UPIRuPayCODNetBank

US → India delivery

Tracking provided
🇺🇸🇮🇳

Dispatch

2–4 days

Transit

8–14 days

Delivery

12–21 days

Est. delivery: Thu, 7 May – Sat, 16 May

Our Partners:FedExDHL

Typical US→India timelines. Customs or weather can add variance. We notify proactively.

Free International Shipping

International delivery included.

Free International Returns

International orders supported.

Lowest Price Guaranteed

Best price across all channels.

International COD

Available on select orders.

Direct sourcing: Lower final price.

Easy returns: Hassle-free.

1 Year warranty: On international products.

Customs handling: We assist where applicable.

Tracking: End to end visibility.

GST invoices: Available.

Priority support: Faster website resolution.

Price advantage: Better than most marketplaces.

✓

Website first, Amazon second

Best price and support on the website. Amazon is available for convenience and reviews.

Found it cheaper elsewhere?

If you find this product at a lower price anywhere in India, tell us. We'll review it before selling.

About this item

Key details

Brand
A-Tech
  • Memory RAM Replacement for Synology D4ECSO-2666-16G & D4ES01-16G
  • Compatible for Synology RackStation, FlashStation, DiskStation, and Deep Learning Video Analytics NVR NAS Server Models: FS1018, RS1221RP+, RS1221+, DS1821+, DS1621xs+, DS1621+, DVA3221, RS820RP+, RS820+, DS2419+II, DS2419+, DS1819+, DVA3219, DS3018xs, DS1618+, DS3617xsII, DS3617xs, DS3622xs+, DS2422+, DS723+, DS923+
  • Backed by A-Tech's Limited Lifetime Warranty + Friendly tech support team available to help before and after your purchase
  • Single 16GB RAM Module | DDR4 SO-DIMM 260-Pin | Speeds up to 2666MHz (2667MHz), PC4-21300 / PC4-2666V
  • ECC Unbuffered | 2Rx8 - Dual Rank | JEDEC DDR4 standard 1.2V

Pros

  • • [PRO 1]
  • • [PRO 2]
  • • [PRO 3]

Cons

  • • [CON 1]
  • • [CON 2]

Common Questions

Is this product genuine and authentic?
Yes. All products on Poshace are 100% authentic, sourced directly from authorized US suppliers. Every order comes with a GST invoice as proof of authenticity.
How long does delivery take to India?
Estimated delivery is 12–21 business days from the date of dispatch. We ship via FedEx and DHL with end-to-end tracking provided on every order.
Are customs duties and taxes included in the price?
Yes, completely. The price you see is the price you pay — no hidden customs fees, no surprise charges at delivery.
What is the return policy?
We offer a 7-day free return policy. If you're not satisfied, return the product within 7 days of delivery for a full refund. The item must be unused and in original packaging.

What customers say

★★★★★

“Bought on PoshAce to save vs Amazon. Tracking was clear the whole way.”

— Ria, Bengaluru

Verified Buyer

★★★★★

“Saved ₹2,400 vs Amazon India on the same model. Legit product, sealed box.”

— Rohan, Chennai

Verified Buyer

★★★★★

“First time buying internationally. Customs and duties were included. No surprises.”

— Ananya, Kolkata

Verified Buyer

★★★★★

“Compared 3 sites. PoshAce was ₹1,800 cheaper. Shipped and tracked as promised.”

— Aditya, Lucknow

Verified Buyer

★★★★★

“GST invoice was ready the same day. Perfect for business expense claims.”

— Nisha, Bhopal

Verified Buyer

★★★★★

“I've ordered 4 times now. Consistent quality and pricing every single time.”

— Swati, Kochi

Verified Buyer

Quick Overview

  • ✓Memory RAM Replacement for Synology D4ECSO-2666-16G & D4ES01-16G
  • ✓Compatible for Synology RackStation, FlashStation, DiskStation, and Deep Learning Video Analytics NVR NAS Server Models: FS1018, RS1221RP+, RS1221+, DS1821+, DS1621xs+, DS1621+, DVA3221, RS820RP+, RS820+, DS2419+II, DS2419+, DS1819+, DVA3219, DS3018xs, DS1618+, DS3617xsII, DS3617xs, DS3622xs+, DS2422+, DS723+, DS923+
  • ✓Backed by A-Tech's Limited Lifetime Warranty + Friendly tech support team available to help before and after your purchase
  • ✓Single 16GB RAM Module | DDR4 SO-DIMM 260-Pin | Speeds up to 2666MHz (2667MHz), PC4-21300 / PC4-2666V
  • ✓ECC Unbuffered | 2Rx8 - Dual Rank | JEDEC DDR4 standard 1.2V
Delivery timeline
Dispatch2 to 4 days
Transit8 to 14 days
Delivery12 to 21 days

Tracking is provided end to end.

  • A-Tech 16GB RAM Replacement for Synology D4ECSO-2666-16G & D4ES01-16G | DDR4 2666 MHz PC4-21300 SODIMM ECC Unbuffered Memory Compatible for NAS & NVR Servers offers reliable performance and quality
  • Memory RAM Replacement for Synology D4ECSO-2666-16G & D4ES01-16G