Hardware Spec Index

Caldera SN-4455 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN4455-XT · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index14,150 (SSDs scale)
Category rank#16,516
Street price$549
Power8 W (active)
Performance per dollar25.77
Released2021

Specifications

BrandCaldera
ModelCaldera SN-4455 XT
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,900 MB/s
Sequential write5,500 MB/s
Random 4K read860K IOPS
NAND3D TLC, 238-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 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
Caldera SN-3048 Core 8TB PCIe 5.0 NVMe M.2 2280 SSD13,055$459Compare
Strivon SN-1229 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD6,585$89Compare
Mirenta SN-4364 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD9,345$219Compare
Mirenta SN-4767 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD6,954$109Compare
Strivon SN-2462 Prime 4TB PCIe 5.0 NVMe M.2 2280 SSD11,506$329Compare
Caldera SN-5807 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD11,119$329Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-4455 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/92636050 (accessed 2026-10-26).