Kestrix NS-4991 SE 5-Bay NAS (2.5GbE, M.2 Cache)
NAS Systems · Kestrix · SKU NS4991-SE · Released 2024 · Updated 2026-10-21
Key facts
| Benchmark index | 3,877 (NAS Systems scale) |
|---|
| Category rank | #40,935 |
|---|
| Street price | $679 |
|---|
| Power | 49 W |
|---|
| Performance per dollar | 5.71 |
|---|
| Released | 2024 |
|---|
Specifications
| Brand | Kestrix |
|---|
| Model | Kestrix NS-4991 SE |
|---|
| Drive bays | 5× 3.5"/2.5" SATA, hot-swappable |
|---|
| Max raw capacity | 120 TB |
|---|
| Processor | 4-core ARM, 1.7 GHz |
|---|
| Memory | 4 GB DDR4 |
|---|
| Network | 2× 2.5GbE |
|---|
| M.2 NVMe slots | 2× (cache or storage pool) |
|---|
| PCIe expansion | None |
|---|
| RAID | RAID 0/1/5/6/10, JBOD |
|---|
| File system | Btrfs, ext4 |
|---|
| USB | 2× USB 3.2 Gen 2 (10Gbps) |
|---|
Related guides
Similar NAS Systems
| Model | Benchmark | Price | Compare |
|---|
| Mirenta NS-3580 Prime 5-Bay NAS (1GbE, M.2 Cache) | 4,244 | $899 | Compare |
| Mirenta NS-2513 Ultra 8-Bay NAS (10GbE, M.2 Cache) | 7,400 | $2,499 | Compare |
| Novexa NS-4529 Max 4-Bay NAS (1GbE) | 3,023 | $379 | Compare |
| Novexa NS-6488 XT 4-Bay NAS (2.5GbE, M.2 Cache) | 3,443 | $569 | Compare |
| Novexa NS-7540 Prime 2-Bay NAS (1GbE) | 1,495 | $169 | Compare |
| Kestrix NS-2887 Ultra 6-Bay NAS (1GbE, M.2 Cache) | 5,553 | $1,189 | Compare |
All NAS Systems · JSON
Cite this page: Hardware Spec Index, “Kestrix NS-4991 SE 5-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/3526296 (accessed 2026-10-21).