Hardware Spec Index

Caldera SN-9459 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN9459-XT · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index8,605 (SSDs scale)
Category rank#49,352
Street price$169
Power8 W (active)
Performance per dollar50.92
Released2024

Specifications

BrandCaldera
ModelCaldera SN-9459 XT
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,400 MB/s
Sequential write6,000 MB/s
Random 4K read1,010K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 1 GB
Endurance600 TBW (0.33 DWPD)
Warranty5 years
HeatsinkNone

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 4.0 vs PCIe 5.0

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Cite this page: Hardware Spec Index, “Caldera SN-9459 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/21781296 (accessed 2026-10-25).