Kestrix NS-5991 Plus 6-Bay NAS (1GbE, M.2 Cache)
NAS Systems · Kestrix · SKU NS5991-PLUS · Released 2019 · Updated 2026-10-25
Key facts
| Benchmark index | 5,397 (NAS Systems scale) |
|---|
| Category rank | #17,821 |
|---|
| Street price | $1,249 |
|---|
| Power | 58 W |
|---|
| Performance per dollar | 4.32 |
|---|
| Released | 2019 |
|---|
Specifications
| Brand | Kestrix |
|---|
| Model | Kestrix NS-5991 Plus |
|---|
| Drive bays | 6× 3.5"/2.5" SATA, hot-swappable |
|---|
| Max raw capacity | 144 TB |
|---|
| Processor | 4-core x86, up to 3.2 GHz |
|---|
| Memory | 8 GB DDR4 |
|---|
| Network | 2× 1GbE |
|---|
| M.2 NVMe slots | 2× (cache or storage pool) |
|---|
| PCIe expansion | 1× PCIe 4.0 x4 slot |
|---|
| RAID | RAID 0/1/5/6/10, JBOD |
|---|
| File system | Btrfs, ext4 |
|---|
| USB | 2× USB 3.2 Gen 1 |
|---|
Related guides
Similar NAS Systems
| Model | Benchmark | Price | Compare |
|---|
| Halcyra NS-2248 Core 4-Bay NAS (2.5GbE, M.2 Cache) | 3,949 | $829 | Compare |
| Mirenta NS-9033 XT 12-Bay NAS (10GbE, M.2 Cache) | 6,562 | $1,979 | Compare |
| Halcyra NS-8648 Plus 5-Bay NAS (2.5GbE, M.2 Cache) | 4,918 | $999 | Compare |
| Kestrix NS-7770 Ti 6-Bay NAS (10GbE, M.2 Cache) | 6,821 | $2,059 | Compare |
| Halcyra NS-3127 XT 2-Bay NAS (2.5GbE) | 1,711 | $199 | Compare |
| Novexa NS-3319 Prime 4-Bay NAS (1GbE) | 3,034 | $489 | Compare |
All NAS Systems · JSON
Cite this page: Hardware Spec Index, “Kestrix NS-5991 Plus 6-Bay NAS (1GbE, M.2 Cache)”, https://vextor7.com/item/1301192 (accessed 2026-10-25).