ASUSTOR Xpanstor 12R AX7012R 12-Bay NAS Expansion Unit
Prices in SGD, excluding 9% GST.
PRODUCT DESCRIPTION
ASUSTOR Xpanstor 12R AX7012R 12-Bay NAS Expansion Unit - 5 Years Warranty
The Xpanstor 12R (AX7012R) is a 2U, 12-bay SAS/SATA JBOD expansion unit for ASUSTOR's Lockerstor Pro rackmount NAS. It is aimed at enterprise environments that need to grow storage without replacing the NAS, with redundant power and hot-swappable fans.
12 SAS/SATA bays
Twelve hot-swappable bays for SAS 2, SAS 3 and SATA 3 drives, with 2x SAS in and 2x SAS out ports (Mini-SAS HD SFF-8644).
Native in ADM
The unit appears in ADM Storage Manager, where RAID volumes and snapshots are configured.
Enterprise redundancy
Dual 650W redundant power supplies and three hot-swappable 80x38mm fans that can be replaced without downtime, backed by a 5-year warranty.
ASUSTOR Xpanstor 12R AX7012R Datasheet — Technical Specifications
General
| Product Name | ASUSTOR Xpanstor 12R AX7012R |
| Model | AX7012R |
| Category | Expansion Unit |
| Warranty | 5 years (ASUSTOR) |
Hardware
| Drive Bays | 12 (hot-swappable) |
| Compatible Drive Types | SAS/SATA 3.5"/2.5" HDD/SSD (SAS 2, SAS 3, SATA 3) |
| Expander Chip | SAS3X28R |
| Flash Memory | 2MB SRAM |
Connectivity
| Interface | 2x SAS in, 2x SAS out (Mini-SAS HD SFF-8644) |
| Connects To | Lockerstor Pro rackmount NAS via a SAS controller card (HBA) in the NAS PCIe slot; 1 unit per NAS on AS7112RDX/AS7116RDX and AS7212RDX/AS7216RDX/AS7224RDX (ADM 4.3.1 onwards) |
Software & Features
| Operating System | ADM 4.3.1 onwards |
| RAID | Single, JBOD, RAID 0, 1, 5, 6, 10 |
| File System | EXT4, Btrfs |
Physical & Power
| Form Factor | 2U rackmount |
| Dimensions (H x W x D) | 89 x 437 x 647 mm |
| Weight | 13.15 kg |
| Power Supply | 2x 650W redundant, 100-240V AC |
| System Fans | 3x 80 x 38mm hot-swappable |
| Operating Temperature | 0°C to 40°C |
Warranty & Certifications
| Certifications | FCC, CE, UKCA, VCCI, BSMI, C-Tick (datasheet also lists BIS, KCC, EAC) |
Compatibility & Applications
Typical Use
Adding 12 enterprise SAS/SATA bays to an ASUSTOR Lockerstor Pro rackmount NAS for growing file, backup or virtualisation storage.
Selection Tip
For 4 extra bays over USB choose the AS5004U (10Gbps) or AS6004U (5Gbps); pair it with a Lockerstor Pro Gen2 such as the AS7212RDX, AS7216RDX or AS7224RDX.
Package Contents & ASUSTOR Ordering Information
In the Box
AX7012R unit x1, AC power cord x2, SFF-8644 cable x1, AX-Rail, flat head screws for 2.5" HDD x48
ASUSTOR Expansion Units at SourceIT
| Model | Key feature |
| AS5004U | 4-bay USB 3.2 Gen 2 Type-C expansion |
| AS6004U | 4-bay USB 3.2 Gen 1 expansion |
| AX7012R (this listing) | 12-bay 2U SAS/SATA expansion (via SAS HBA) |
Datasheet & Downloads
| Product Page | ASUSTOR Xpanstor 12R AX7012R on asustor.com |
| Specifications | Full specifications |
| Datasheet | Datasheet (PDF) |
Frequently Asked Questions — AX7012R
Which NAS can use the Xpanstor 12R?
ASUSTOR lists the Lockerstor Pro rackmount NAS: AS7112RDX/AS7116RDX and the Lockerstor Pro Gen2 AS7212RDX/AS7216RDX/AS7224RDX, one unit per NAS, on ADM 4.3.1 or later.
How does it connect?
Through a SAS controller (HBA) card installed in a PCIe slot of the NAS, cabled to the unit's SFF-8644 SAS ports. An SFF-8644 cable and AX-Rail kit are included; ASUSTOR's companion HBA is the AS-SAS8e (sold separately).
Can I use SATA drives?
Yes. It supports SAS 2, SAS 3 and SATA 3 drives, hot-swappable.
What is the warranty?
5 years.
Do I get a GST invoice?
Yes. Supplied by SourceIT in Singapore with a GST invoice.






