Kestrix NS-7721 Max 6-Bay NAS (2.5GbE, M.2 Cache)
NAS Systems · Kestrix · SKU NS7721-MAX · Released 2022 · Updated 2026-10-22
Key facts
| Benchmark index | 4,941 (NAS Systems scale) |
|---|
| Category rank | #14,346 |
|---|
| Street price | $1,059 |
|---|
| Power | 57 W |
|---|
| Performance per dollar | 4.67 |
|---|
| Released | 2022 |
|---|
Specifications
| Brand | Kestrix |
|---|
| Model | Kestrix NS-7721 Max |
|---|
| Drive bays | 6× 3.5"/2.5" SATA, hot-swappable |
|---|
| Max raw capacity | 144 TB |
|---|
| Processor | 8-core x86, up to 3.2 GHz |
|---|
| Memory | 16 GB DDR4 ECC |
|---|
| Network | 2× 2.5GbE |
|---|
| 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 2 (10Gbps) |
|---|
Related guides
Similar NAS Systems
| Model | Benchmark | Price | Compare |
|---|
| Mirenta NS-6488 Edge 8-Bay NAS (10GbE, M.2 Cache) | 5,976 | $1,959 | Compare |
| Mirenta NS-4905 Max 8-Bay NAS (10GbE, M.2 Cache) | 6,300 | $1,929 | Compare |
| Kestrix NS-4150 Core 2-Bay NAS (1GbE) | 3,172 | $419 | Compare |
| Mirenta NS-4758 Pro 4-Bay NAS (1GbE) | 3,020 | $409 | Compare |
| Halcyra NS-7610 Core 2-Bay NAS (1GbE) | 1,803 | $189 | Compare |
| Kestrix NS-4038 Ultra 8-Bay NAS (1GbE, M.2 Cache) | 5,392 | $1,269 | Compare |
All NAS Systems · JSON
Cite this page: Hardware Spec Index, “Kestrix NS-7721 Max 6-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/91315496 (accessed 2026-10-22).