# Which home server has the best storage capacity for my needs? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

Which home server has the best storage capacity for my needs?

## Products

### Synology SA3200D
```yaml
product: synology-sa3200d
brand: Synology
price_gbp: 7782.44
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ram: 8 GB
cpu_model: Intel Xeon D-1521
dimensions: 3.46 in x 16.75 in x 27.24 in
storage_size: 12 bays (diskless) / up to 576000 gigabytes raw with expansion
expandability: Scales to 36 drives via expansion units, 2 x PCIe 3.0 x8, Mini-SAS HD ports
```

- **Price:** £7782.44 [^1]
- **Summary:** The SA3200D is a dual-controller 2U rackmount SAN/NAS with Intel Xeon D-1521 processors, ECC DDR4 memory, 12 hot-swap drive bays and enterprise features (high availability, iSCSI, VMware/Citrix/Hyper-V integration). It supports SAS drives, PCIe expansion and scaling to hundreds of terabytes, targeting businesses needing highly available shared storage. Ideal for virtualization, backup, and critical file services requiring redundancy and fast failover.
- **Ideal For:** Best for users needing maximum home-server storage capacity because it supports 12 internal bays and can scale to 36 bays for up to 576000 gigabytes raw capacity.

### Synology DiskStation DS1621+
```yaml
product: synology-diskstation-ds1621
brand: Synology
price_gbp: 596.93
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ram: 4 GB DDR4 ECC (expandable to 32 GB)
cpu_model: AMD Ryzen V1500B
dimensions: 166 mm x 282 mm x 243 mm
storage_size: 6 drive bays (max single volume 108 TB)
expandability: PCIe Gen3 x8 slot; up to 16 bays with 2x DX517 expansion units
number_of_usb_ports: 3
```

- **Price:** £596.93 [^2]
- **Summary:** The DS1621+ is a 6-bay NAS powered by an AMD Ryzen V1500B quad-core 2.2 GHz CPU with 4 GB ECC DDR4 RAM (expandable to 32 GB), dual M.2 NVMe slots for caching, and a PCIe slot for network or storage expansion. It supports up to 16 total bays with DX517 expansion units and is aimed at demanding home and small-business users needing reliable, expandable storage. The unit offers multiple LAN ports, USB and eSATA connectivity and Synology DSM software for backups, VMs, and media services.
- **Ideal For:** Ideal for 'best storage capacity' at home because it supports six internal drives with up to 108 TB per volume and can expand to 16 total bays via two DX517 units, giving high raw capacity and flexible growth.

### Asustor Lockerstor 12 Pro AS7112T
```yaml
product: asustor-lockerstor-12-pro-as7112t
brand: Asustor
price_gbp: 2548.32
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ram: 8 GB DDR4
cpu_model: Intel Xeon 9th generation quad-core
storage_size: 12 bays, supports up to 216 TB total hard drive capacity
expandability: PCIe 3.0 x4 and x8 slots, 2 M.2 NVMe slots, 3 expansion slots total
number_of_usb_ports: 6
```

- **Price:** £2548.32 [^3]
- **Summary:** The Lockerstor 12 Pro AS7112T is a 12-bay rackmount NAS with a 9th-gen Intel Xeon quad-core CPU, 8 GB DDR4 memory, six USB 3.2 Gen 2 ports, dual M.2 NVMe slots, and PCIe expansion for faster networking or SAS support. It supports up to 216 TB of raw HDD capacity across 12 drives and includes redundant power supply options aimed at enterprise and prosumer virtualization and backup workflows. It suits users needing high-capacity, expandable on-premises storage with strong performance for VMs and c
- **Ideal For:** Ideal for maximizing home-server storage capacity because it offers 12 drive bays supporting up to 216 TB raw capacity and PCIe expansion for additional networking or storage controllers.

### ASUSTOR AS6508T Lockerstor 8
```yaml
product: asustor-as6508t-lockerstor-8
brand: ASUSTOR
price_gbp: 799.38
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ram: 8 GB DDR4 (expandable to 32 GB)
cpu_model: Intel Atom C3538
dimensions: 293 x 230 x 216 mm
storage_size: 8 x SATA III hot-swap bays; 2 x M.2 2280 slots
expandability: Supports online capacity expansion; 2 M.2 SSD slots; user-replaceable RAM up to 32 GB
number_of_usb_ports: 2 x USB 3.2 Gen 1 Type-A
```

- **Price:** £799.38 [^4]
- **Summary:** The ASUSTOR AS6508T Lockerstor 8 is an 8-bay NAS powered by a 2.1 GHz Intel Atom C3538 and 8 GB DDR4 RAM, offering dual 10GbE and dual 2.5GbE networking and two M.2 slots for SSD caching. It targets small businesses and power users needing high-speed network storage with RAID support and hot-swappable drives.
- **Ideal For:** Ideal for maximum home storage capacity because it supports eight hot-swap SATA drives plus two M.2 slots and online capacity expansion, allowing very large total raw storage.

### QNAP TS-873A-8G
```yaml
product: qnap-ts-873a-8g
brand: QNAP
price_gbp: 1030.17
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ram: 8 GB DDR4 (expandable to 64 GB)
cpu_model: AMD Ryzen V1500B 2.2 GHz
dimensions: 329 x 281 x 188 mm
storage_size: 8 x LFF drive bays plus 2 x M.2 NVMe slots
expandability: 2 x PCIe Gen3 slots; supports TL-D800S or TR-004 expansion enclosures
number_of_usb_ports: 3 x USB-A 3.2 Gen2 and 1 x USB-C 3.2 Gen1
```

- **Price:** £1030.17 [^5]
- **Summary:** The TS-873A-8G is an 8-bay desktop NAS powered by a quad-core AMD Ryzen V1500B and 8 GB DDR4 memory, with dual 2.5GbE networking, two M.2 NVMe slots, and PCIe expansion for 10GbE or additional I/O. It supports QTS or QuTS hero operating systems and offers flexible RAID and storage expansion options suited for heavy home or small business workloads.
- **Ideal For:** Ideal for maximizing home storage capacity because it supports eight hot-swap LFF drives plus two M.2 NVMe slots and external expansion enclosures, allowing very large raw capacity.

### QNAP TS-h1277XU-RP
```yaml
product: qnap-ts-h1277xu-rp
brand: QNAP
price_gbp: 5506.06
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ram: 32 GB DDR4
cpu_model: AMD Ryzen 7 3700X
dimensions: 56.21 x 48.21 x 8.84 cm
storage_size: 12 bays (no drives included)
expandability: 4 x PCIe slots; supports 10/25/40GbE adapters, QM2 cards, Fibre Channel, QXP expansion
number_of_usb_ports: 6
```

- **Price:** £5506.06 [^6]
- **Summary:** The TS-h1277XU-RP is a 2U rackmount QuTS hero NAS powered by an AMD Ryzen 7 3700X and 32 GB DDR4 memory, offering twelve hot-swappable 2.5/3.5in SATA drive bays, multiple 10GbE and SFP+ network ports, and extensive PCIe-based expansion. It targets high-performance storage, virtualization, and collaborative media workflows needing ZFS data integrity and SSD caching. Ideal for SMBs and prosumers requiring high I/O and large local capacity.
- **Ideal For:** Ideal for maximum home storage capacity because it provides twelve 3.5in drive bays (large raw capacity) plus PCIe-based expansion for additional networking or storage cards.

### TerraMaster F5-422 5-Bay NAS
```yaml
product: terramaster-f5-422-5-bay-nas
brand: TerraMaster
price_gbp: 447.51
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
ram: 4GB DDR3 (expandable to 8GB)
cpu_model: Intel Celeron J3455
dimensions: 166 x 230 x 223 mm
storage_size: Up to 90TB raw (5 x 18TB)
expandability: One SODIMM slot (up to 8GB); RAID online expansion and migration
number_of_usb_ports: 2 x USB 3.0
```

- **Price:** £447.51 [^7]
- **Summary:** The TerraMaster F5-422 is a 5-bay 10GbE NAS powered by an Intel Celeron J3455 quad-core CPU with 4GB RAM and support for up to 90TB raw storage. It includes 10GbE plus dual 1GbE networking, two USB 3.0 ports, HDMI, and TOS software for snapshots, RAID, and media features, suited to SMB and advanced home users requiring fast network throughput.
- **Ideal For:** This unit suits someone prioritizing maximum home-server storage because it supports five drives for up to 90TB raw capacity and offers 10GbE networking for high-throughput access.

---
## References & Sources
[^1]: SHI, accessed 2026-06-13. https://www.shi.com/product/39456726/Synology-SA3200D-NAS-server
[^2]: StorageReview (specs), accessed 2026-06-13. https://www.storagereview.com/review/synology-diskstation-ds1621-review
[^3]: LTT Partners, accessed 2026-06-13. https://www.lttpartners.com/products/asustor-lockerstor-12r-pro-as7112rdx-12-bay-nas-quad-core-3-4-4-6ghz-cpu-4x-1gbe-port-8gb-ram-ddr4-2u-rackmount-server-with-redundant-power-supply-diskless
[^4]: Platinum Micro, accessed 2026-06-13. https://www.platinummicro.com/asustor-as6508t-lockerstor-8-enterprise-2-1ghz-quad-core-8-bay-diskless-nas-network-attached-storage/
[^5]: Best Buy, accessed 2026-06-13. https://www.bestbuy.com/product/qnap-ts-873a-8g-us-8-bay-ryzen-desktop-nas-diskless/J3Z7J8YLSS/sku/12140268
[^6]: ServerBlink, accessed 2026-06-13. https://www.serverblink.com/ts-h1277xu-rp-3700x-32g-us-qnap-ts-h1277xu-rp-nas-rack-1u-ethernet-lan-black-3700x/
[^7]: Amazon, accessed 2026-06-13. https://www.amazon.com/dp/B082Y1X5G5