Specifications
Part Numbers
MV-SS1331 (8 NAND channels) · MV-SS1333 (16 NAND channels)
Host Interface
PCIe 5.0 x4
Protocol
NVMe 1.4b
Sequential Read
Up to 14 GB/s (128 KiB)
Sequential Write
Up to 9 GB/s (128 KiB)
Random Read
Up to 2M IOPS (4 KiB)
Random Write
Up to 1M IOPS (4 KiB)
Latency
Under 6 µs
DRAM Interface
DDR4 at 3200 MHz / LPDDR4x at 4266 MHz
NAND Interface
Dual-port NAND, 1600 MT/s
Power (MV-SS1331)
8.7 W max
Power (MV-SS1333)
9.8 W max
Package
20 × 20 mm (45 % smaller than competing 16-CH controllers)
Virtual Functions
32 VF and 16 PF
Security
FIPS-compliant root of trust, AES-256, multi-key revocation
Usage Models
OCP, SEF (Software Enabled Flash), ZNS, Open Channel — same hardware
Elastic SLA Enforcer
Shapes host QoS from the controller, offloading cloud server CPU
Compliance
OCP NVMe SSD specification
Form Factor Enablement
World's first 16-CH E1.S SSD designs
Evaluation
Evaluation boards and SDK available
Overview
The Marvell Bravera SC5 is the industry's first PCIe 5.0 SSD controller family: MV-SS1331 with 8 NAND channels for mainstream E1.S and M.2-class drives, and MV-SS1333 with 16 NAND channels for the highest-density E1.S and E3.S designs. Both are built on the same silicon and firmware, so a single board design can be re-spec'd up or down the channel count without a re-qualification.
Performance is 14 GB/s sequential read and up to 2M random read IOPS at under 6 microseconds of controller latency — roughly double the PCIe 4.0 controller generation. The part supports 32 virtual functions and 16 physical functions, AES-256 encryption with a FIPS-compliant root of trust and multi-key revocation, and an on-controller Elastic SLA Enforcer that meters host quality of service so that a noisy neighbour workload cannot starve the rest of the tenant fleet.
What separates the SC5 from a generic NVMe controller is the multi-usage-model capability: the identical hardware can be configured for OCP NVMe, Software Enabled Flash, Zoned Namespace or Open Channel operation. For SSD vendors, that means one controller SKU covers cloud, hyperscale and OEM programmes, and a drive can be re-purposed between them through firmware. With 16 NAND channels in a 20 mm x 20 mm package, the MV-SS1333 is the part that made the first 16-channel E1.S drives physically possible.
Key Benefits
First PCIe 5.0 SSD controller to volume — a mature, shipping design rather than a sampling part. 14 GB/s and 2M IOPS doubles the previous controller generation. One silicon, four usage models (OCP, SEF, ZNS, Open Channel) cuts SKU management cost. 16 NAND channels in 20 × 20 mm enables 16-CH E1.S. Elastic SLA Enforcer protects tenant QoS without host CPU overhead. Dual-port NAND interface and FIPS root of trust suit enterprise and government programmes.
Applications
Cloud and hyperscale SSD design-in; enterprise E1.S / E3.S / U.2 drive programmes; zoned-storage and Open-Channel research platforms; multi-tenant cloud block storage with strict QoS isolation; FIPS-regulated and government storage builds; NVMe boot drives for PCIe 5.0 GPU servers; SSD evaluation and reference-design bring-up.
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