Seagate
Seagate Cheetah NS ST3400755SSProduct 400 GB 3.5" SAS internal hard drive
- SLC
$23.99
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Synology Inc.
Synology RS1626xs+ rackmount NAS 64GB 1.6TB cache 64TB
Four-bay 1U rackmount NAS with Xeon processor, 64GB DDR4, 1.6TB NVMe cache and 64TB of enterprise drives, fully 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 Capacity64TB (4 x 16TB)
- 64GB DDR4 ECC memory powers virtualization and heavy workloads
- Intel Xeon D-1726 6-core processor handles demanding enterprise applications
- Dual 10GbE RJ-45 ports provide high-speed network connectivity
- 6TB NVMe cache accelerates frequent data access
- 64TB enterprise drives deliver large-capacity storage out of the box
Synology RS1626xs+ 4-bay rackmount NAS
The Synology RS1626xs+ is a 1U rackmount network-attached storage system with four drive bays. It ships fully assembled with 64GB of DDR4 memory and a total of 64TB raw capacity across four 16TB enterprise drives. A 1.6TB NVMe cache using two 800GB modules is also installed. The Intel Xeon D-1726 processor handles virtualization, file sharing, backup and surveillance workloads for growing businesses.
Dual 10GbE RJ-45 and single management LAN
Network connectivity relies on two 10GbE RJ-45 ports for high-throughput client access and one dedicated out-of-band management port. Expansion beyond the four internal bays requires a compatible Synology expansion unit connected via the rear PCIe Gen4 x8 slot. Two USB 3.2 Gen 1 ports provide direct-attached peripheral or backup options. No additional onboard network interfaces are present.
Intel Xeon D-1726 six-core processor
The installed Xeon D-1726 six-core CPU determines the ceiling for concurrent virtual machines, container density and encryption throughput. Memory is fixed at 64GB DDR4 ECC RDIMM with no further upgrade path. Buyers who need more compute threads, higher memory capacity or GPU acceleration must select a different platform.
Highlights
- 64GB DDR4 ECC memory powers virtualization and heavy workloads
- Intel Xeon D-1726 6-core processor handles demanding enterprise applications
- Dual 10GbE RJ-45 ports provide high-speed network connectivity
- 6TB NVMe cache accelerates frequent data access
- 64TB enterprise drives deliver large-capacity storage out of the box
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 | 64TB (4 x 16TB) |
| 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
Should I choose the 64 GB RAM configuration or the base 32 GB option for virtualization workloads?
The unit ships with 64 GB DDR4 ECC RDIMM installed, doubling the base 32 GB configuration and providing headroom for multiple virtual machines and memory-intensive applications.
What real-world throughput can I expect from the dual 10 GbE RJ-45 ports when the NAS is serving large files?
Each 10 GbE port supports up to 10 Gbps line rate; actual throughput depends on drive performance, RAID layout, and client networking, but the dual ports allow link aggregation or separate networks for higher aggregate bandwidth.
How does the 1.6 TB NVMe cache accelerate the 64 TB drive array in daily use?
Two 800 GB NVMe SSDs provide read and write caching for the four 16 TB enterprise drives, reducing latency for hot data and improving IOPS for databases, virtualization, and mixed workloads.
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