Seagate
Seagate Cheetah NS ST3400755SSProduct 400 GB 3.5" SAS internal hard drive
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Synology Inc.
Synology RS1626xs+ Intel Xeon D-1726 4-Bay Rackmount NAS 64GB RAM 3.2TB Cache 80TB Drives
A 1U 4-bay rackmount NAS with Xeon D-1726 CPU, 64GB DDR4 ECC RAM, 3.2TB NVMe cache and 80TB of enterprise drives, pre-assembled and tested
- Port RJ-452 x RJ-45 10GbE LAN Port 1 x Out-of-Band Management LAN Port
- Port USB2 x USB 3.2 Gen 1 Ports
- Form Factor4-Bay
- ProcessorIntel Xeon
- Installed Memory64GB
- Included HDD Capacity80TB (4 x 20TB)
- Intel Xeon D-1726 6-core CPU powers demanding workloads
- 64GB DDR4 ECC memory handles virtualization and heavy multitasking
- 2TB NVMe cache accelerates frequent data access
- 80TB enterprise drives deliver massive redundant storage
- Dual 10GbE ports plus management LAN enable high-speed networking
Enterprise 4-Bay Rackmount NAS
The Synology RS1626xs+ is a 1U rackmount NAS built around an Intel Xeon D-1726 processor with 64GB of DDR4 memory installed. It ships fully assembled with four 20TB enterprise drives for 80TB of raw capacity plus two 1.6TB NVMe cache modules. Dual 10GbE RJ-45 ports and a dedicated management LAN give it the networking foundation for virtualization, backup and heavy file workloads.
Teams needing dense high-speed storage
This unit suits IT teams that want a ready-to-run appliance with enterprise drives and cache already validated. It is not for buyers who require more than four drive bays from day one or who need connectivity beyond the two 10GbE ports and single management link provided. Environments dependent on fibre-channel or faster Ethernet standards will need a different platform.
Four-bay limit with expansion capability
The chassis provides exactly four front-accessible drive bays and can scale to sixteen bays by adding a compatible Synology expansion unit. That single constraint — four bays now, sixteen maximum — decides whether the RS1626xs+ fits the current rack layout and growth plan.
Highlights
- Intel Xeon D-1726 6-core CPU powers demanding workloads
- 64GB DDR4 ECC memory handles virtualization and heavy multitasking
- 2TB NVMe cache accelerates frequent data access
- 80TB enterprise drives deliver massive redundant storage
- Dual 10GbE ports plus management LAN enable high-speed networking
Specifications
| Brand | Synology |
|---|---|
| Model | RS1626xs+ |
| Port RJ-45 | 2 x RJ-45 10GbE LAN Port 1 x Out-of-Band Management LAN Port |
| Port USB | 2 x USB 3.2 Gen 1 Ports |
| Form Factor | 4-Bay |
| Processor | Intel Xeon |
| Installed Memory | 64GB |
| Included HDD Capacity | 80TB (4 x 20TB) |
| Management | Web-Based, DHCP Client |
| LEDs | Power, HDD (Hard Disk Drive), LAN (10/100) |
| Power | 100-240 VAC 50/60Hz |
| Temperature | 5°C - 35 °C |
| Humidity | 8% to 80% RH |
| Dimensions | 44 mm × 481.9 mm × 668.5 mm |
| Weight | 9.5 kg |
| Package Contents | Main Unit × 1 Accessory Pack × 1 C13 to C14 power cord × 2 Front Cover × 1 All Configuration Items |
Questions about this item
How many drive bays does the RS1626xs+ provide for the 20TB Synology Enterprise NAS drives?
The RS1626xs+ is a 4-bay chassis, so the four 20TB Synology Enterprise NAS drives occupy every bay, giving 80TB of raw capacity.
What are the noise and thermal limits when the unit runs continuously in a rack?
Operating temperature is rated 5°C to 35°C and humidity 8% to 80% RH; the 1U form factor uses internal fans to stay within those limits under sustained load.
Which expansion unit connects to the PCIe Gen4 x8 slot to grow beyond the four internal bays?
A compatible Synology expansion unit attaches via the PCIe Gen4 x8 slot, allowing total drive count to reach 16 bays.
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