Kestrix NS-4637 Ultra 4-Bay NAS (1GbE, M.2 Cache)
NAS Systems · Kestrix · SKU NS4637-ULTRA · Released 2021 · Updated 2026-10-22
Key facts
| Benchmark index | 3,773 (NAS Systems scale) |
|---|
| Category rank | #18,850 |
|---|
| Street price | $639 |
|---|
| Power | 42 W |
|---|
| Performance per dollar | 5.90 |
|---|
| Released | 2021 |
|---|
Specifications
| Brand | Kestrix |
|---|
| Model | Kestrix NS-4637 Ultra |
|---|
| Drive bays | 4× 3.5"/2.5" SATA, hot-swappable |
|---|
| Max raw capacity | 96 TB |
|---|
| Processor | 4-core ARM, 1.7 GHz |
|---|
| Memory | 4 GB DDR4 |
|---|
| Network | 2× 1GbE |
|---|
| 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 1 |
|---|
Related guides
Similar NAS Systems
| Model | Benchmark | Price | Compare |
|---|
| Kestrix NS-9401 Prime 2-Bay NAS (1GbE) | 2,086 | $229 | Compare |
| Kestrix NS-5830 XT 6-Bay NAS (10GbE, M.2 Cache) | 6,397 | $1,849 | Compare |
| Novexa NS-8737 Plus 6-Bay NAS (2.5GbE, M.2 Cache) | 5,378 | $1,369 | Compare |
| Mirenta NS-3123 Max 12-Bay NAS (10GbE, M.2 Cache) | 6,407 | $2,129 | Compare |
| Mirenta NS-8462 XT 2-Bay NAS (1GbE) | 2,377 | $239 | Compare |
| Kestrix NS-9320 Ti 2-Bay NAS (1GbE) | 1,939 | $199 | Compare |
All NAS Systems · JSON
Cite this page: Hardware Spec Index, “Kestrix NS-4637 Ultra 4-Bay NAS (1GbE, M.2 Cache)”, https://vextor7.com/item/281741 (accessed 2026-10-22).