Halcyra NS-2521 Core 4-Bay NAS (2.5GbE, M.2 Cache)
NAS Systems · Halcyra · SKU NS2521-CORE · Released 2024 · Updated 2026-10-22
Key facts
| Benchmark index | 3,707 (NAS Systems scale) |
|---|
| Category rank | #15,904 |
|---|
| Street price | $759 |
|---|
| Power | 42 W |
|---|
| Performance per dollar | 4.88 |
|---|
| Released | 2024 |
|---|
Specifications
| Brand | Halcyra |
|---|
| Model | Halcyra NS-2521 Core |
|---|
| Drive bays | 4× 3.5"/2.5" SATA, hot-swappable |
|---|
| Max raw capacity | 96 TB |
|---|
| Processor | 4-core ARM, 1.7 GHz |
|---|
| Memory | 8 GB DDR4 |
|---|
| Network | 2× 2.5GbE |
|---|
| M.2 NVMe slots | 2× (cache or storage pool) |
|---|
| PCIe expansion | None |
|---|
| RAID | RAID 0/1/5/6/10, JBOD |
|---|
| File system | ZFS |
|---|
| USB | 2× USB 3.2 Gen 2 (10Gbps) |
|---|
Related guides
Similar NAS Systems
| Model | Benchmark | Price | Compare |
|---|
| Halcyra NS-6029 Plus 5-Bay NAS (2.5GbE, M.2 Cache) | 5,375 | $1,409 | Compare |
| Kestrix NS-1301 SE 2-Bay NAS (2.5GbE, M.2 Cache) | 3,320 | $549 | Compare |
| Kestrix NS-2258 Ti 5-Bay NAS (2.5GbE, M.2 Cache) | 5,224 | $1,409 | Compare |
| Kestrix NS-7774 Pro 4-Bay NAS (2.5GbE, M.2 Cache) | 3,803 | $679 | Compare |
| Kestrix NS-9547 Ti 8-Bay NAS (10GbE, M.2 Cache) | 6,823 | $1,799 | Compare |
| Kestrix NS-2811 Plus 2-Bay NAS (2.5GbE) | 1,945 | $239 | Compare |
All NAS Systems · JSON
Cite this page: Hardware Spec Index, “Halcyra NS-2521 Core 4-Bay NAS (2.5GbE, M.2 Cache)”, https://vextor7.com/item/22019825 (accessed 2026-10-22).