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The Asustor AS5402T is a 2-bay NAS from Asustor in the Drivestor range. It comes with 4GB of DDR4 SO-DIMM RAM (upgradeable to 16GB) and supports 3.5-inch SATA HDD/SSD + 4x M.2 2280 NVMe drives. This guide covers compatible RAM and storage upgrades with our top recommendations.
Asustor AS5402T Specifications
| NAS Model | Asustor AS5402T |
| Brand | Asustor |
| Series | Drivestor |
| Drive Bays | 2 |
| Processor | Intel Celeron N5105 |
| Default RAM | 4GB |
| Max RAM | 8GB |
| RAM Type | DDR4 SO-DIMM |
| RAM Slots | 1 |
| Drive Compatibility | 3.5-inch SATA HDD/SSD + 4x M.2 2280 NVMe |
| Network | 2x 2.5GbE |
| Release Year | 2022 |
Compatible RAM for Asustor AS5402T
The Asustor AS5402T ships with 4GB and can be upgraded to a maximum of 8GB. It uses DDR4 SO-DIMM SO-DIMM modules (2 slots).
Recommended RAM Upgrades
| Capacity | Module | Buy |
|---|---|---|
| 4GB | Crucial DDR4-2666 4GB SO-DIMM | Check Price |
| 8GB | Crucial DDR4-2666 8GB SO-DIMM | Check Price |
| 16GB | Crucial DDR4-2666 16GB SO-DIMM | Check Price |
Compatible Storage Drives
The Asustor AS5402T has 2 drive bays supporting 3.5-inch SATA HDD/SSD + 4x M.2 2280 NVMe. Here are our top drive recommendations:
Recommended NAS Drives
| Capacity | Drive | Buy |
|---|---|---|
| 4TB HDD | Seagate IronWolf 4TB NAS HDD | Check Price |
| 8TB HDD | Seagate IronWolf 8TB NAS HDD | Check Price |
| 16TB HDD | Seagate IronWolf Pro 16TB NAS HDD | Check Price |
| 1TB NVMe | Samsung 970 EVO Plus 1TB M.2 NVMe | Check Price |
Setup Tips
- Use NAS-rated drives: Always use drives designed for NAS use (e.g. Seagate IronWolf, WD Red Plus) for reliability and vibration resistance.
- RAID configuration: For data protection, use RAID 1 (mirroring) for 2-bay units or RAID 5/SHR for 4+ bay units.
- RAM upgrade: Upgrading RAM improves multitasking, virtualisation and app performance. Use Asustor-compatible modules.
- Network: Connect via Ethernet for best performance. This model supports 2x 2.5GbE.
Frequently Asked Questions
What is the maximum RAM for the Asustor AS5402T?
The Asustor AS5402T supports up to 16GB (2x8GB) of DDR4 SO-DIMM RAM.
How many drive bays does the Asustor AS5402T have?
The Asustor AS5402T has 2 drive bays supporting 3.5-inch SATA HDD/SSD + 4x M.2 2280 NVMe.
What drives are compatible with the Asustor AS5402T?
The Asustor AS5402T supports 3.5-inch SATA HDD/SSD + 4x M.2 2280 NVMe. We recommend NAS-rated drives like the Seagate IronWolf or WD Red Plus series.
Related Asustor Upgrade Guides
- Asustor AS5404T RAM & Storage Compatibility
- Asustor AS6706T RAM & Storage Compatibility
- Asustor AS6508T RAM & Storage Compatibility
- Asustor AS6704T RAM & Storage Compatibility
- ASUSTOR FS6706T RAM Upgrade Guide
- Asustor Upgrade Guide
Not sure what fits? Use our free Compatibility Checker covering 3,195+ models.
Helpful Guides
Upgrades that fit the ASUSTOR Nimbustor 2 Gen2 2-bay NAS
What fits: Memory: DDR4-3200 SO-DIMM, 2 user slots, up to 16GB · Storage: 4x M.2 2280 NVMe PCIe 3.0; 2.5in SATA drive supported
Spec source: asustor.com (checked 26 Sep 2026).
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