Hardware Spec Index

Caldera SN-4059 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN4059-XT · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index5,771 (SSDs scale)
Category rank#16,809
Street price$79
Power5 W (active)
Performance per dollar73.05
Released2026

Specifications

BrandCaldera
ModelCaldera SN-4059 XT
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,700 MB/s
Sequential write4,400 MB/s
Random 4K read1,230K IOPS
NAND3D QLC, 232-layer
CacheDRAM-less (HMB)
Endurance240 TBW (0.22 DWPD)
Warranty3 years
HeatsinkHeatsink edition available

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-4059 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/92631794 (accessed 2026-10-26).