Hardware Spec Index

Caldera SN-1140 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN1140-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index7,097 (SSDs scale)
Category rank#23,387
Street price$109
Power5 W (active)
Performance per dollar65.11
Released2021

Specifications

BrandCaldera
ModelCaldera SN-1140 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,300 MB/s
Sequential write5,700 MB/s
Random 4K read850K IOPS
NAND3D TLC, 176-layer
CacheDRAM-less (HMB)
Endurance600 TBW (0.33 DWPD)
Warranty5 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

Similar SSDs

ModelBenchmarkPriceCompare
Altrix SN-1891 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD6,247$89Compare
Altrix SN-9306 Prime 500GB SATA 2.5-inch SSD3,653$39Compare
Mirenta SN-9080 Max 4TB PCIe 4.0 NVMe M.2 2280 SSD12,766$449Compare
Mirenta SN-9121 SE 2TB PCIe 4.0 NVMe M.2 2280 SSD12,862$429Compare
Novexa SN-5467 Edge 500GB PCIe 4.0 NVMe M.2 2280 SSD6,137$79Compare
Altrix SN-8706 Core 1TB PCIe 4.0 NVMe M.2 2280 SSD5,604$69Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-1140 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/1999617 (accessed 2026-10-22).