Hardware Spec Index

Caldera SN-4399 XT 2TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN4399-XT · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index10,634 (SSDs scale)
Category rank#41,894
Street price$299
Power9 W (active)
Performance per dollar35.57
Released2024

Specifications

BrandCaldera
ModelCaldera SN-4399 XT
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read14,300 MB/s
Sequential write10,300 MB/s
Random 4K read1,920K IOPS
NAND3D TLC, 238-layer
CacheLPDDR4 DRAM, 2 GB
Endurance1,200 TBW (0.33 DWPD)
Warranty5 years
HeatsinkIncluded (recommended for sustained loads)

Related guides

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

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Cite this page: Hardware Spec Index, “Caldera SN-4399 XT 2TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/17515962 (accessed 2026-10-21).