Kestrix NS-6851 Ultra 2-Bay NAS (2.5GbE)
NAS Systems · Kestrix · SKU NS6851-ULTRA · Released 2022 · Updated 2026-10-22
Key facts
| Benchmark index | 1,894 (NAS Systems scale) |
|---|
| Category rank | #16,160 |
|---|
| Street price | $229 |
|---|
| Power | 26 W |
|---|
| Performance per dollar | 8.27 |
|---|
| Released | 2022 |
|---|
Specifications
| Brand | Kestrix |
|---|
| Model | Kestrix NS-6851 Ultra |
|---|
| Drive bays | 2× 3.5"/2.5" SATA, hot-swappable |
|---|
| Max raw capacity | 48 TB |
|---|
| Processor | 4-core ARM, 1.7 GHz |
|---|
| Memory | 4 GB DDR4 |
|---|
| Network | 2× 2.5GbE |
|---|
| M.2 NVMe slots | None |
|---|
| PCIe expansion | None |
|---|
| RAID | RAID 0/1, JBOD |
|---|
| File system | ZFS |
|---|
| USB | 2× USB 3.2 Gen 2 (10Gbps) |
|---|
Related guides
Similar NAS Systems
| Model | Benchmark | Price | Compare |
|---|
| Novexa NS-2875 XT 8-Bay NAS (2.5GbE, M.2 Cache) | 5,365 | $1,369 | Compare |
| Kestrix NS-4021 Ti 2-Bay NAS (1GbE) | 2,990 | $389 | Compare |
| Halcyra NS-6673 Pro 6-Bay NAS (2.5GbE, M.2 Cache) | 5,661 | $1,349 | Compare |
| Halcyra NS-4670 Prime 2-Bay NAS (1GbE) | 1,543 | $159 | Compare |
| Mirenta NS-7434 Core 2-Bay NAS (1GbE) | 2,607 | $339 | Compare |
| Novexa NS-4385 Edge 5-Bay NAS (1GbE, M.2 Cache) | 5,278 | $1,329 | Compare |
All NAS Systems · JSON
Cite this page: Hardware Spec Index, “Kestrix NS-6851 Ultra 2-Bay NAS (2.5GbE)”, https://vextor7.com/item/14219487 (accessed 2026-10-22).