What NAS devices have the largest storage capacity?

Product ⇅ Price ⇅ Storage Capacity (TB) ⇅ Number of Bays ⇅ Transfer Speed (MB/s) ⇅ Expandable Storage ⇅ RAID Support ⇅ Power Consumption (Watts) ⇅
QNAP TS-h2490FU-7302P-128G
US 		£11761.06 ≈ 1.44 PB raw capacity 24 15104 MB/s sequential read ✓ ✓ 277.64 W typical operating power

The QNAP TS-h2490FU-7302P-128G is a 24-bay U.2 NVMe all-flash rackmount NAS with 128 GB of DDR4 ECC memory and four 25GbE ports. It supports high-speed, low-latency workloads, ZFS-based data protection, and expansion to petabyte-scale capacity, making it suited to enterprise data centers, virtualization, and demanding media workflows.

★ Ideal for

With 24 U.2 NVMe bays supporting drives up to 61.44 TB each and up to 1.44 PB of raw capacity, this device is specifically suited to questions about NAS devices with the largest storage capacity.

Sources:
QNAP Store SHI
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QNAP TDS-h2489FU-R2-4314-512G
US 		£20419.22 ≈ — 24 25Gbps ✓ ✓ 467.59 W

The QNAP TDS-h2489FU-R2-4314-512G is a 24-bay all-flash rackmount NAS with 512GB of ECC DDR4 memory and dual Intel Xeon Silver 4314 processors. It supports U.2 NVMe storage, 25GbE networking, PCIe Gen 4 expansion, and petabyte-scale expansion, making it suited to enterprise virtualization, data centers, AI workloads, and high-resolution media production.

★ Ideal for

This model suits the need for the largest storage capacity because its 24 U.2 drive bays can be expanded to petabyte-scale storage by connecting PCIe JBOD or SAS JBOD expansion units.

Sources:
DWG
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QNAP TS-h3077AFU-R5-32G
US 		£4042.38 ≈ Up to 230 TB raw 30 2 x 10 GbE and 2 x 2.5 GbE ✓ ✓ 148.94 W typical operating mode; 380.23 W disk standby mode

The QNAP TS-h3077AFU-R5-32G is a 30-bay all-flash rackmount NAS with up to 230 TB of raw capacity using 7.68 TB SSDs. It provides dual 10 GbE connectivity, QuTS hero with ZFS, DDR5 memory, and expansion to 192 drives, making it suitable for enterprises, media production, virtualization, and research workloads.

★ Ideal for

This model suits questions about NAS devices with the largest storage capacity because its 30 bays support up to 230 TB of raw internal capacity and can expand to 192 drives with compatible JBOD enclosures.

Sources:
QNAP Official Store B&H Photo Video CDW
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QNAP TS-h2287XU-RP-E2336-32G
US 		£5512.61 ≈ — 22 total: 16 x 3.5in SATA and 6 x 2.5in SATA 9961 MB/s read and 9670 MB/s write ✓ ✓ 228 W typical

The QNAP TS-h2287XU-RP-E2336-32G is a 22-bay enterprise rackmount NAS with a hybrid HDD and SSD architecture, 32GB ECC memory, dual 10GbE, and dual 2.5GbE connectivity. It suits businesses needing high-capacity storage, virtualization, intensive file transfers, backup, and scalable data protection.

★ Ideal for

This product specifically suits questions about NAS devices with the largest storage capacity because it provides 22 drive bays, including 16 3.5in HDD bays for high-capacity disks, plus six 2.5in SSD bays and expansion support.

Sources:
QNAP Store CDW B&H Photo Video
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