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Asustor 4-bay

Asustor Nimbustor 4 Gen2

CPU
Intel Celeron N5105
RAM
4 GB max 16 GB
Network
2 × 2.5GbE
M.2 / PCIe
4 / –

Model AS5404T

Should you buy the Asustor Nimbustor 4 Gen2?

Four bays, one parity drive, 75% of the space to fill. (RAID still isn't a backup, mind.) The x86 CPU (Intel Celeron N5105) runs pretty much any container or media server you throw at it.

Watch out for

If you need 10GbE, this isn't the box, as Asustor lists no way to add it.

Four M.2 slots too, and Asustor's expansion units take it up to 16 bays when you run out of room.

Usable space with 4 matching drives

These are decimal TB, the way drive boxes count them, and Windows will show roughly 9% less. Got a mix of sizes? Put your own drives in the calculator and it'll work out the layers.

Each driveRAID 5 (1 parity)RAID 6 (2 parity)
4 TB × 412 TB ≈ 10.9 TiB8 TB ≈ 7.3 TiB
8 TB × 424 TB ≈ 21.8 TiB16 TB ≈ 14.6 TiB
12 TB × 436 TB ≈ 32.7 TiB24 TB ≈ 21.8 TiB
16 TB × 448 TB ≈ 43.7 TiB32 TB ≈ 29.1 TiB
20 TB × 460 TB ≈ 54.6 TiB40 TB ≈ 36.4 TiB
24 TB × 472 TB ≈ 65.5 TiB48 TB ≈ 43.7 TiB

Specifications

Taken from Asustor's own spec page, and "Not published" means they don't list it.

Asustor Nimbustor 4 Gen2 specifications
Drive bays 4 bays source for Drive bays (asustor.com, opens in new tab)
Max bays with expansion units 16 bays source for Max bays with expansion units (asustor.com, opens in new tab)
CPU Intel Celeron N5105 source for CPU (asustor.com, opens in new tab)
CPU cores 4 cores source for CPU cores (asustor.com, opens in new tab)
CPU architecture x86-64 source for CPU architecture (asustor.com, opens in new tab)
Installed RAM 4 GB source for Installed RAM (asustor.com, opens in new tab)
Maximum RAM 16 GB source for Maximum RAM (asustor.com, opens in new tab)
ECC RAM Not published
1GbE ports 0 ports source for 1GbE ports (asustor.com, opens in new tab)
2.5GbE ports 2 ports source for 2.5GbE ports (asustor.com, opens in new tab)
10GbE ports 0 ports source for 10GbE ports (asustor.com, opens in new tab)
M.2 NVMe slots 4 slots source for M.2 NVMe slots (asustor.com, opens in new tab)
PCIe slots Not published
Warranty 3 years source for Warranty (asustor.com, opens in new tab)

Sources: asustor.com