Hardware Spec Index

Caldera SN-4081 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN4081-ULTRA · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index10,952 (SSDs scale)
Category rank#28,867
Street price$309
Power5 W (active)
Performance per dollar35.44
Released2023

Specifications

BrandCaldera
ModelCaldera SN-4081 Ultra
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,200 MB/s
Sequential write4,600 MB/s
Random 4K read920K IOPS
NAND3D TLC, 218-layer
CacheDDR4 DRAM, 2 GB
Endurance1,200 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

Similar SSDs

ModelBenchmarkPriceCompare
Altrix SN-7742 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD8,506$179Compare
Novexa SN-5898 Prime 8TB PCIe 5.0 NVMe M.2 2280 SSD12,582$409Compare
Mirenta SN-8852 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD11,148$329Compare
Caldera SN-4031 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD11,109$399Compare
Novexa SN-8802 Plus 4TB PCIe 5.0 NVMe M.2 2280 SSD12,459$389Compare
Strivon SN-7142 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD6,466$89Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-4081 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/76353999 (accessed 2026-10-19).