Mirenta NS-6639 Ultra 5-Bay NAS (2.5GbE, M.2 Cache)
NAS Systems · Mirenta · SKU NS6639-ULTRA · Released 2022 · Updated 2026-10-20
Key facts
| Benchmark index | 4,964 (NAS Systems scale) |
|---|
| Category rank | #34,986 |
|---|
| Street price | $1,399 |
|---|
| Power | 52 W |
|---|
| Performance per dollar | 3.55 |
|---|
| Released | 2022 |
|---|
Specifications
| Brand | Mirenta |
|---|
| Model | Mirenta NS-6639 Ultra |
|---|
| Drive bays | 5× 3.5"/2.5" SATA, hot-swappable |
|---|
| Max raw capacity | 120 TB |
|---|
| Processor | 4-core x86, up to 3.3 GHz |
|---|
| Memory | 8 GB DDR4 |
|---|
| 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 |
|---|
| Novexa NS-2648 Pro 4-Bay NAS (1GbE) | 2,310 | $299 | Compare |
| Halcyra NS-9342 SE 4-Bay NAS (1GbE, M.2 Cache) | 3,928 | $669 | Compare |
| Kestrix NS-2853 Edge 5-Bay NAS (1GbE, M.2 Cache) | 5,406 | $1,209 | Compare |
| Mirenta NS-6306 Pro 2-Bay NAS (2.5GbE) | 1,923 | $219 | Compare |
| Halcyra NS-5699 Core 12-Bay NAS (10GbE, M.2 Cache) | 7,290 | $2,039 | Compare |
| Kestrix NS-9530 Ti 4-Bay NAS (2.5GbE) | 2,081 | $269 | Compare |
All NAS Systems · JSON
Cite this page: Hardware Spec Index, “Mirenta NS-6639 Ultra 5-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/673756 (accessed 2026-10-20).