Halcyra NS-2521 Core 4-Bay NAS (1GbE, M.2 Cache)
NAS Systems · Halcyra · SKU NS2521-CORE · Released 2019 · Updated 2026-10-24
Key facts
| Benchmark index | 3,859 (NAS Systems scale) |
|---|
| Category rank | #39,536 |
|---|
| Street price | $739 |
|---|
| Power | 42 W |
|---|
| Performance per dollar | 5.22 |
|---|
| Released | 2019 |
|---|
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× 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 |
|---|
| Mirenta NS-7114 Plus 4-Bay NAS (1GbE, M.2 Cache) | 3,470 | $649 | Compare |
| Kestrix NS-2789 Edge 12-Bay NAS (10GbE, M.2 Cache) | 6,082 | $1,639 | Compare |
| Mirenta NS-3033 Core 4-Bay NAS (2.5GbE, M.2 Cache) | 3,757 | $639 | Compare |
| Kestrix NS-8687 XT 8-Bay NAS (10GbE, M.2 Cache) | 7,145 | $2,069 | Compare |
| Mirenta NS-5198 Ultra 12-Bay NAS (10GbE, M.2 Cache) | 6,770 | $2,249 | Compare |
| Novexa NS-6729 Core 4-Bay NAS (2.5GbE, M.2 Cache) | 4,435 | $819 | Compare |
All NAS Systems · JSON
Cite this page: Hardware Spec Index, “Halcyra NS-2521 Core 4-Bay NAS (1GbE, M.2 Cache)”, https://vextor7.com/item/4177943 (accessed 2026-10-24).