ATTO ExpressNVM S4FF

ATTO ExpressNVM S4FF

16-Drive x2 PCIe 4.0 NVMe Switch Adapter With 4 x SlimSAS SFF-8654

The ATTO ExpressNVM S4FF is an internal PCIe 4.0 NVMe switch host adapter designed to connect up to sixteen x2-lane NVMe drives through a PCIe 4.0 x16 host interface.

Four physical x8 SlimSAS SFF-8654 connectors each carry four independent x2 PCIe 4.0 device connections, with FPGA-powered management and diagnostics for enterprise storage deployments.

  • Supports up to 16 NVMe drives at x2 PCIe 4.0 lanes per drive.
  • PCIe 4.0 x16 host interface; backward compatible with PCIe 3.0.
  • 4 x physical x8 SlimSAS SFF-8654 connectors.
  • Up to 32GB/s maximum adapter throughput.
Category: NVMe HBA PCIe Cards
SKU: ENVM-S4FF-000
Brand: ATTO Technology

£ 1,088.95 | £ 1,306.74 inc VAT

Please Call Us For Availability Of This Item

ATTO ExpressNVM S4FF – Product Overview

Sixteen x2 NVMe Drive Connections

The ExpressNVM S4FF is designed for high-density internal NVMe storage pools, providing sixteen independent x2 PCIe 4.0 device connections through four SlimSAS SFF-8654 connectors.


PCIe 4.0 x16 Host Interface

An x16 PCIe 4.0 host connection provides up to 32GB/s of adapter throughput and remains backward compatible with PCIe 3.0 systems.


Enterprise NVMe Management

An onboard FPGA and management processor support out-of-band monitoring, telemetry, logging, device isolation, firmware updates, health statistics and predictive-failure analysis without relying on the primary I/O path.


Flexible NVMe Deployment

The S4FF can connect compatible NVMe devices directly or through suitable backplanes and supports Windows, Linux, VMware and FreeBSD environments. Its low-profile MD2 form factor and active cooling suit dense server installations.

ATTO ExpressNVM S4FF – Key Features

  • Supports 16 x NVMe drives at x2 PCIe 4.0 lanes per drive.
  • PCIe 4.0 x16 host interface.
  • Backward compatible with PCIe 3.0 hosts.
  • 4 x physical x8 SlimSAS SFF-8654 connectors.
  • Each connector supports four independent x2 PCIe 4.0 device connections.
  • Up to 32GB/s maximum adapter throughput.
  • FPGA-powered intelligent analytics and diagnostics.
  • Out-of-band and in-band management support.
  • Device isolation, telemetry and predictive-failure monitoring.
  • Windows, Linux, VMware and FreeBSD support.
  • Low-profile MD2 form factor with active cooling.
  • Typical power consumption: 18.5W; maximum 20.5W.
  • 100 LFM minimum airflow.
  • Three-year standard warranty.

ATTO ExpressNVM S4FF – Technical Specifications

ModelATTO ExpressNVM S4FF
SKUENVM-S4FF-000
Drive Connections16 x NVMe drives at x2 PCIe 4.0 lanes per drive
Physical Connectors4 x x8 SlimSAS SFF-8654
Connector Mapping4 independent x2 PCIe 4.0 device connections per SFF-8654 connector
Host InterfacePCIe 4.0 x16; backward compatible with PCIe 3.0
Maximum ThroughputUp to 32GB/s
Drive TypesCompatible NVMe drives via direct connection or suitable backplane
Form FactorLow-profile MD2
ManagementIn-band and out-of-band management; telemetry, logging, firmware and health monitoring
Supported PlatformsWindows, Linux, VMware, FreeBSD
Typical Power18.5W
Maximum Power20.5W
CoolingActive fansink
Minimum Airflow100 LFM
Operating Temperature0°C to 55°C
Operating Humidity10% to 90% non-condensing
Storage Temperature-40°C to 70°C
Storage Humidity5% to 95% non-condensing
Dimensions6.600 x 2.713 in
ComplianceRoHS; TAA compliant
Warranty3 years

ATTO Technology Delivery Information

Generally, next working day delivery services (UK Mainland) are available on standard ATTO Technology Delivery orders placed before 2 pm (subject to stock availability).

Non-timed deliveries should be delivered between 9 am and 6 pm.

Orders placed after 2 pm on Fridays and weekends will be processed as normal the following Monday.

Orders placed on Bank Holidays will be processed the next working day.

If urgent, please call one of our helpful account managers so they may double check everything for you, enabling you to place your order with confidence.

Please note: these product details are for guide purposes only, and may contain errors.

We always recommend double-checking the product specs and features on the manufacturer website, or contact us if unsure before ordering.

Related Products