Additional Details
Mfr Part #:	E25G21-F2
SHI Part #:	41921777
Category:	Network interface cards
UNSPSC:	43201404
Manufacturer:	Synology
Product Type:	Hardware

Synology E25G21-F2 Network adapter

General Information
Category	Network interface cards
Description	Synology E25G21-F2 – Network adapter – PCIe 3.0 x8 low profile – 25 Gigabit SFP28 x 2 – for Disk Station DS1621, DS1821; FlashStation FS3600; RackStation RS1221, RS3621, RS4021
Manufacturer	Synology
UNSPSC	43201404
Main Specifications
Dimensions & Weight / Depth	16.8 cm
Dimensions & Weight / Height	6.9 cm
Dimensions & Weight / Width	1.73 cm
Header / Brand	Synology
Miscellaneous / Product Color	Black Blue Silver
Networking / Connectivity Technology	Wired
Networking / Data Link Protocol	10 Gigabit Ethernet 25 Gigabit Ethernet
Networking / Data Transfer Rate	25 Gbps
Networking / Type	Network adapter
Packaged Quantity	1
Service & Support / Type	5-year warranty
Compatibility Information
Designed For	Synology SA3200D, SA3400, SA3600 Synology Disk Station DS1621+, DS1621XS+, DS1821+, DS3018xs, DS3617xs Synology FlashStation FS1018, FS2017, FS3017, FS3400, FS3600, FS6400 Synology RackStation RS1221+, RS1221RP+, RS1619xs+, RS18017XS+, RS3617RPxs, RS3617xs+, RS3618XS, RS3621RPxs, RS3621xs+, RS4017XS+, RS4021xs+ Synology Unified Controller UC3200
Dimensions & Weight
Depth	16.8 cm
Height	6.9 cm
Width	1.73 cm
Environmental Parameters
Humidity Range Operating	5 – 95%
Max Operating Temperature	40 °C
Min Operating Temperature	0 °C
Expansion / Connectivity
Interfaces	2 x 25Gb Ethernet – SFP28 – female
General
Device Type	Network adapter
Form Factor	Plug-in card – low profile
Interface (Bus) Type	PCI Express 3.0 x8
PCI Specification Revision	PCIe 3.0
Manufacturer Warranty
Service & Support	Limited warranty – 5 years
Miscellaneous
Included Accessories	Low-profile bracket, full-height bracket
Networking
Compliant Standards	IEEE 802.3ad (LACP), IEEE 802.3ae, IEEE 802.3by
Connectivity Technology	Wired
Data Link Protocol	10 Gigabit Ethernet, 25 Gigabit Ethernet
Data Transfer Rate	25 Gbps
Features	Auto-negotiation, LACP support, Large Send Offload (LSO), Receive Side Scaling (RSS), Link Aggregation Control Protocol (LACP), Transmit Side Scaling (TSS), Link Aggregation, 9 KB Jumbo Frame, generic segmentation offload (GSO)
Network / Transport Protocol	TCP/IP, UDP/IP
Ports	25 Gigabit SFP28 x 2

Francis Gatubu

17:13 12 Nov 23

Quick and responsive WhatsApp and delivery is great.

Kevin Kipkoech

14:44 12 Nov 23

One of the best computer shops in Nairobi I can trust. Had an issue with my laptop battery and Sam sorted it, got a new one.. keep it up Buytec 👌👌

loise atsali

10:38 12 Nov 23

Got good customer service and fast delivery...liking the product so far... Will go back to buy a Hp or Lenovo laptop soon.

Danny Gachanja

10:10 10 Nov 23

They have a great variety of all IT stuff. Recently bought an x1 carbon from them,The shipping was fast and are quick to respond to any queries about after sales. One of the best shops in town.

Sahil mulji

09:18 10 Nov 23

Omega3 Battyacid

18:09 04 Oct 23

Their Whatsapp is responsive, they deliver on time and are very helpful and patient. I bought a number of items from them, one of which had to be shipped from Dubai, and everything went smoothly with good service, highly recommend 👍

Pathcom Technologies

10:10 22 Jul 23

⭐⭐⭐⭐⭐ 5/5 starsI recently had the pleasure of shopping at Buytec, the Online Shop for HP, Dell, Lenovo, Asus Laptops in Nairobi, Kenya, and I must say, my experience was nothing short of outstanding! From start to finish, they exceeded all my expectations and proved themselves to be a reliable and trustworthy source for tech products.The first thing that struck me was their humble and attentive customer care. The staff at Buytec are genuinely interested in helping their customers find the perfect product to suit their needs. They patiently answered all my questions and provided valuable insights into various laptops, ensuring I made an informed decision.Another aspect that impressed me was their product knowledge. The staff demonstrated an in-depth understanding of the laptops they offered, highlighting key features and specifications that made it easier for me to compare and choose the one that aligned with my requirements.Speaking of products, I was delighted to find that Buytec offers only authentic and top-notch items. The laptops I browsed through were of superior quality, and I could trust that I was investing in genuine products, which is essential when making a significant purchase like this.Throughout my shopping journey, the team at Buytec displayed the utmost professionalism. They were courteous, respectful, and focused on ensuring a seamless experience.Their dedication to customer satisfaction was evident, making me feel valued as a customer.(Naomi and your team, kudos!)As a satisfied customer, I can confidently say that I highly recommend Buytec to others in need of laptops or tech-related products. Their dedication to customer care, product authenticity, and professionalism sets them apart from other online shops in Nairobi, Kenya.Moreover, I'm so thrilled with my purchase that I wouldn't think twice about buying from Buytec again in the future. Their commitment to quality products and excellent service has earned them a loyal customer in me.If you're in the market for laptops, or any other tech items, look no further than Buytec. They are the epitome of a reliable and customer-centric online shop, and I can't praise them enough for the wonderful experience I had.

Sharon Leah Olang'

14:42 05 Jul 23

Great service experience, especially when 9rdering online as i did. They give you confidence and I received the exact device I ordered. Delivery time is also fast and efficient. I highly recommend.

Rotich Kiptum

08:54 23 Jun 23

I had an amazing experience with BuyTec! Their service was outstanding, offering high-quality products at competitive prices. The staff was knowledgeable and helpful, and the shipping was efficient. Highly recommended! ⭐⭐⭐⭐⭐