Halcyra NS-6521 Max 12-Bay NAS (10GbE, M.2 Cache)
NAS Systems · Halcyra · SKU NS6521-MAX · Released 2025 · Updated 2026-10-26
Key facts
| Benchmark index | 6,538 (NAS Systems scale) |
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| Category rank | #9,106 |
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| Street price | $2,049 |
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| Power | 98 W |
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| Performance per dollar | 3.19 |
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| Released | 2025 |
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Specifications
| Brand | Halcyra |
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| Model | Halcyra NS-6521 Max |
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| Drive bays | 12× 3.5"/2.5" SATA, hot-swappable |
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| Max raw capacity | 336 TB |
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| Processor | 4-core x86, up to 3.5 GHz |
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| Memory | 32 GB DDR5 ECC |
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| Network | 1× 10GbE + 2× 2.5GbE |
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| M.2 NVMe slots | 2× (cache or storage pool) |
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| PCIe expansion | 1× PCIe 4.0 x4 slot |
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| RAID | RAID 0/1/5/6/10, JBOD |
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| File system | Btrfs, ext4 |
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| USB | 2× USB 3.2 Gen 2 (10Gbps) |
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Related guides
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| Model | Benchmark | Price | Compare |
|---|
| Mirenta NS-4079 Plus 12-Bay NAS (10GbE, M.2 Cache) | 5,881 | $1,599 | Compare |
| Mirenta NS-6681 XT 12-Bay NAS (10GbE, M.2 Cache) | 6,497 | $1,859 | Compare |
| Halcyra NS-6169 SE 5-Bay NAS (1GbE, M.2 Cache) | 5,084 | $1,109 | Compare |
| Mirenta NS-2381 Edge 2-Bay NAS (2.5GbE) | 2,412 | $329 | Compare |
| Kestrix NS-8254 Plus 2-Bay NAS (1GbE) | 1,617 | $189 | Compare |
| Halcyra NS-7926 XT 6-Bay NAS (1GbE, M.2 Cache) | 4,429 | $979 | Compare |
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Cite this page: Hardware Spec Index, “Halcyra NS-6521 Max 12-Bay NAS (10GbE, M.2 Cache)”, https://vextor7.com/item/71750153 (accessed 2026-10-26).