Kestrix NS-5421 Ultra 5-Bay NAS (2.5GbE, M.2 Cache)
NAS Systems · Kestrix · SKU NS5421-ULTRA · Released 2024 · Updated 2026-10-25
Key facts
| Benchmark index | 6,119 (NAS Systems scale) |
|---|
| Category rank | #19,056 |
|---|
| Street price | $1,699 |
|---|
| Power | 53 W |
|---|
| Performance per dollar | 3.60 |
|---|
| Released | 2024 |
|---|
Specifications
| Brand | Kestrix |
|---|
| Model | Kestrix NS-5421 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 DDR5 |
|---|
| 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-3698 XT 4-Bay NAS (2.5GbE) | 2,480 | $349 | Compare |
| Halcyra NS-5687 Max 8-Bay NAS (2.5GbE, M.2 Cache) | 5,317 | $1,329 | Compare |
| Novexa NS-5214 Edge 5-Bay NAS (2.5GbE, M.2 Cache) | 4,844 | $1,229 | Compare |
| Novexa NS-6453 SE 8-Bay NAS (10GbE, M.2 Cache) | 6,687 | $1,809 | Compare |
| Novexa NS-4682 XT 2-Bay NAS (2.5GbE) | 1,704 | $169 | Compare |
| Mirenta NS-6789 Ti 2-Bay NAS (1GbE) | 2,124 | $249 | Compare |
All NAS Systems · JSON
Cite this page: Hardware Spec Index, “Kestrix NS-5421 Ultra 5-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/56580266 (accessed 2026-10-25).