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SATA bay diagram · schematic, not physical scale

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Intel Atom C3538

✓ NAS enclosureDrives sold separately

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Source specs & exact version

ASUSTOR Lockerstor 12RD (AS6512RD) 12-Bay Rackmount NAS

AS6512RD 12-bay 2U rackmount NAS, diskless

Recorded model: AS6512RD

Specifications checked 2026-11-03.

Processor: Intel Atom C3538, quad-core, 2.1 GHz, x64 64-bit
Memory: 8 GB SO-DIMM DDR4 (8GB x1 pre-installed); 4 slots, expandable to 128 GB (4 x 32 GB), mixed capacities supported
Flash memory: 8 GB eMMC
Drive bays: 12x 3.5"/2.5" SATA HDD/SSD (SATA3 6Gb/s); hot swappable
Maximum internal raw capacity: 216 TB (12 x 18 TB HDD; capacity may vary by RAID type)
Network: 2x 2.5 Gigabit Ethernet (2.5G/1G/100M) and 2x Gigabit Ethernet (1G/100M); the two 2.5GbE ports aggregate to up to 5 Gbps
Network protocols: CIFS/SMB, SMB 2.0/3.0, AFP, NFS, FTP, TFTP, WebDAV, Rsync, SSH, SFTP, iSCSI/IP-SAN, HTTP, HTTPS, Proxy, SNMP, Syslog; 802.3ad link aggregation with six other modes

Raw capacity is before RAID and formatting. The example does not establish drive compatibility.

Specifications explain hardware limits. No performance tests are claimed.

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Maker specifications describe the recorded model and package. Missing measurements are labeled “Not recorded”.

Specification	ASUSTOR AS6512RD
Fastest wired port	2.5 Gbps
Drive bays	12 bays
RAM	8 GB
Processor	Intel Atom C3538
Best for	Backups, Media server, Homelab, Home office
Sources	Specifications checked November 3, 2026 View 6 sources ASUSTOR AS6512RD specifications · asustor.com ASUSTOR AS6512RD specifications · asustor.com ASUSTOR AS6512RD specifications · asustor.com ASUSTOR AS6512RD specifications · asustor.com ASUSTOR AS6512RD specifications · asustor.com ASUSTOR AS6512RD specifications · asustor.com
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