Component
ES2486dc-2142IT-96G
ES2486dc-2142IT-128G
Memory slots
8 x R-DIMM or LR-DIMM DDR4 per controller
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.
• You can only use one type of dual in-line memory
module (DIMM) at a time. Do not use registered
DIMM (RDIMM) with load-reduction DIMM
(LRDIMM) memory.
Maximum memory
512 GB RAM: 8 x 64 GB
Flash memory
4 GB (dual-boot OS protection)
Cache for Copy-to-Flash
64 GB per controller
Storage
Drive bays
24 x 2.5-inch SAS 12 Gbps
Note
The interface is backward compatible with SAS 6 Gbps
drives.
Drive compatibility
• 2.5-inch SATA hard disk drives
• 2.5-inch SATA solid-state drives
• 2.5-inch SAS hard disk drives
• 2.5-inch SAS solid-state drives
Tip
• For the list of compatible drive models, go to
https://www.qnap.com/compatibility
• A QDA-SA3 drive adapter is required for installing
SATA HDD/SSD. For more details, see QDA-SA3
Quick Installation Guide.
SSD cache acceleration support
2.5-inch drive bays: 1 to 24
Network
10 Gigabit Ethernet ports
4 x 10GbE SFP+ ports per controller
Gigabit Ethernet ports
3 x GbE RJ45 ports per controller
External I/O Ports & Expansion Slots
PCIe slots
2 x PCIe 3.0 x8 slots per controller
Tip
For the list of compatible expansion cards, go to
https://www.qnap.com/compatibility
.
ES2486dc User Guide
Product Overview
5
