Mirenta NS-3991 Pro 6-Bay NAS (10GbE, M.2 Cache)
NAS Systems · Mirenta · SKU NS3991-PRO · Released 2026 · Updated 2026-10-18
Key facts
| Benchmark index | 6,535 (NAS Systems scale) |
|---|
| Category rank | #31,387 |
|---|
| Street price | $1,729 |
|---|
| Power | 61 W |
|---|
| Performance per dollar | 3.78 |
|---|
| Released | 2026 |
|---|
Specifications
| Brand | Mirenta |
|---|
| Model | Mirenta NS-3991 Pro |
|---|
| Drive bays | 6× 3.5"/2.5" SATA, hot-swappable |
|---|
| Max raw capacity | 168 TB |
|---|
| Processor | 4-core x86, up to 3.4 GHz |
|---|
| Memory | 16 GB DDR5 ECC |
|---|
| Network | 1× 10GbE + 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-3291 SE 12-Bay NAS (10GbE, M.2 Cache) | 7,263 | $2,299 | Compare |
| Halcyra NS-8748 Plus 2-Bay NAS (1GbE) | 1,835 | $179 | Compare |
| Novexa NS-3179 Ultra 2-Bay NAS (1GbE) | 3,203 | $509 | Compare |
| Mirenta NS-7607 Max 12-Bay NAS (10GbE, M.2 Cache) | 5,968 | $1,799 | Compare |
| Halcyra NS-7739 Ti 2-Bay NAS (2.5GbE) | 1,213 | $159 | Compare |
| Halcyra NS-3704 Max 2-Bay NAS (1GbE) | 1,347 | $149 | Compare |
All NAS Systems · JSON
Cite this page: Hardware Spec Index, “Mirenta NS-3991 Pro 6-Bay NAS (10GbE, M.2 Cache)”, https://vextor7.com/item/747693 (accessed 2026-10-18).