Component
TDS-h2489FU-4309Y-64G TDS-h2489FU-4314-128G
TDS-h2489FU-4314-256G
TDS-h2489FU-4314-512G
TDS-h2489FU-4314-1TB
Encryption engine
AES-NI
Memory
Pre-installed memory
64 GB RAM: 8 x 8 GB
DDR4 ECC RDIMM
TDS-h2489FU-4314-128G:
8 x 16 GB DDR4 ECC
RDIMM (128 GB RAM)
TDS-h2489FU-4314-256G:
8 x 32 GB DDR4 ECC
RDIMM (256 GB RAM)
TDS-h2489FU-4314-512G:
16 x 32 GB DDR4 ECC
RDIMM (512 GB RAM)
TDS-h2489FU-4314-1TB:
32 x 32 GB DDR4 ECC
RDIMM (1 TB RAM)
Memory slots
16 x ECC RDIMM DDR4 per socket
Important
• Use only QNAP memory modules to maintain system
performance and stability. For NAS devices with more
than one memory slot, use QNAP modules with identical
specifications.
• Using unsupported modules may degrade performance,
cause errors, or prevent the operating system from
starting.
Note
This device supports ECC memory modules.
Maximum memory
2 TB (32 x 64 GB)
Flash memory
5 GB (dual-boot OS protection)
Storage
Drive bays
24 x 2.5-inch U.2 PCIe Gen 4 NVMe bays
Tip
• Bays 17-24 also support SATA 6 Gbps.
• The U.2 PCIe Gen 4 NVMe bays are backward compatible
with PCIe Gen 3 U.2 drives.
• The SATA 6 Gbps bays are backward compatible with SATA
3 Gbps drives.
TDS-h2489FU User Guide
Product Overview
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