Hardware Spec Index

Caldera SN-4250 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN4250-ULTRA · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index6,329 (SSDs scale)
Category rank#43,182
Street price$79
Power7 W (active)
Performance per dollar80.11
Released2024

Specifications

BrandCaldera
ModelCaldera SN-4250 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,200 MB/s
Sequential write5,400 MB/s
Random 4K read730K IOPS
NAND3D QLC, 176-layer
CacheDRAM-less (HMB)
Endurance240 TBW (0.22 DWPD)
Warranty3 years
HeatsinkNone

Related guides

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

Similar SSDs

ModelBenchmarkPriceCompare
Mirenta SN-8165 SE 500GB PCIe 4.0 NVMe M.2 2280 SSD5,589$79Compare
Strivon SN-2685 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD11,893$429Compare
Caldera SN-5376 XT 2TB PCIe 4.0 NVMe M.2 2230 SSD9,978$269Compare
Altrix SN-1824 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD13,393$479Compare
Mirenta SN-6353 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD9,196$179Compare
Caldera SN-2768 SE 1TB PCIe 4.0 NVMe M.2 2230 SSD4,914$59Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-4250 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/7858243 (accessed 2026-10-24).