Hardware Spec Index

Caldera SN-1556 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN1556-XT · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index5,701 (SSDs scale)
Category rank#44,686
Street price$89
Power8 W (active)
Performance per dollar64.06
Released2021

Specifications

BrandCaldera
ModelCaldera SN-1556 XT
Capacity500 GB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,000 MB/s
Sequential write4,900 MB/s
Random 4K read1,240K IOPS
NAND3D QLC, 232-layer
CacheDRAM-less (HMB)
Endurance100 TBW (0.18 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
Altrix SN-6610 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD8,353$169Compare
Novexa SN-8827 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD7,287$119Compare
Caldera SN-7195 Plus 1TB SATA 2.5-inch SSD4,048$39Compare
Mirenta SN-1538 Ti 2TB PCIe 4.0 NVMe M.2 2230 SSD8,993$179Compare
Strivon SN-1263 Core 1TB PCIe 4.0 NVMe M.2 2280 SSD8,806$179Compare
Caldera SN-7485 XT 1TB SATA 2.5-inch SSD3,942$39Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-1556 XT 500GB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/87727575 (accessed 2026-10-25).