IBM FlashSystem 9600 Specifications and Technical Overview
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IBM FlashSystem 9600 is IBM’s highest-end NVMe all-flash storage system, built for large enterprise environments that require extreme performance, low latency, and the ability to scale to very high capacities.
IBM FlashSystem - Immediate Availability
Limited stock at special pricing
IBM FlashSystem 9600 Specs
Item | IBM FlashSystem 9600 |
Form factor | 2U control enclosure |
Model | 5078-A40 |
Minimum software | Storage Virtualize 9.1.2 |
Front drive slots | 32 |
Drive form factor | EDSFF NVMe |
Max I/O ports | 32 |
System memory options | 1.5 TB or 3 TB |
Max 4K read-hit IOPS | 6.3 million |
Max bandwidth | 86 GB/s |
Effective max capacity, single enclosure | 11.8 PBe |
Effective max capacity, FlashSystem grid | 377 PBe |
Physical Design and Form Factor - IBM FlashSystem 9600
The IBM FlashSystem 9600 is a 2U enclosure with 32 NVMe drive slots, dual node canisters, and dual power supplies, using EDSFF flash devices.
Physical dimensions - IBM FlashSystem 9600
Dimension | Value |
Height | 88 mm / 3.46 in |
Width | 483 mm / 19.0 in |
Depth | 868 mm / 34 in |
Weight, drive-ready | 33.6 kg / 74 lb |
Weight, fully configured | 42.6 kg / 94 lb |
IBM specifies: rail length 642–803 mm, side clearance 50 mm, and minimum rear clearance 150 mm.
Environmental Data - IBM FlashSystem 9600
Parameter | Operating |
Temperature | 10°C to 35°C |
Altitude | 0 to 3048 m |
Relative humidity | 8% to 80% non-condensing |
Max wet bulb | 27°C |
Above 900m, reduce max ambient temperature by 1°C per 300 m; non-operating and shipping ranges are also defined.
Drive Architecture and Storage - IBM FlashSystem 9600
The IBM FlashSystem 9600 supports two NVMe media types:
IBM FlashCore Modules
Industry-standard flash drives
Only IBM-approved drives are supported; this is not a bring-your-own-SSD platform.
FlashCore Module generation - IBM FlashSystem 9600
FCM5 adds hardware-accelerated ransomware detection, data reduction, telemetry, and analytics, with up to 105 TB per module.
Capacity - IBM FlashSystem 9600
Capacity metric | Value |
Effective max capacity, single enclosure | 11.8 PBe |
Effective max capacity, FlashSystem grid | 377 PBe |
IBM’s effective-capacity figure is a data-reduction-based figure, not raw media capacity.
Raw-Capacity Inference - IBM FlashSystem 9600
FCM5 goes up to 105 TB, aligning with the 11.8 PBe effective capacity in a 32-drive setup:
FCM5, up to 105 TB per module
32 drive slots
11.8 PBe effective maximum per enclosure
Node Canisters and Controller - IBM FlashSystem 9600
The FlashSystem 9600 uses two active-active node canisters forming a redundant I/O group. Volumes stay online if one canister fails or is taken offline.
Each node canister contains:
CPU resources
memory/cache
internal boot drives
batteries
network attachment adapters
Each node has dual boot drives and a battery to protect system state and cached data during power loss.
Management and Service Ports - IBM FlashSystem 9600
Port | Type | Speed | Function |
USB Type-A | USB | — | Encryption key storage, diagnostics |
Technician port | RJ45 | 1 GbE | Direct service management |
Ethernet port 1 | RJ45 | 10 GbE | Primary management IP, service IP |
Ethernet port 2 | RJ45 | 10 GbE | Secondary management IP |
Serial | USB-C | — | Disabled for security |
Display | Mini DisplayPort | — | Disabled for security |
Each node also has four adapter-card slots for host and fabric connectivity.
Memory Options - IBM FlashSystem 9600
IBM offers 1.5 TB and 3 TB system memory configurations for the FlashSystem 9600, with memory distributed across both controllers to support large-scale workloads, high cache efficiency, and heavy parallel I/O.
Host I/O and Fabric - IBM FlashSystem 9600
Connectivity Options:
Connectivity | Protocols |
64G FC | SCSI, FC-NVMe |
32G FC | SCSI, FC-NVMe |
100/40 GbE | iSCSI, NVMe/TCP |
25/10 GbE | iSCSI, NVMe/TCP |
Adapter-Card Details Per Node Canister:
Adapter | Max per node | Notes |
Quad-port 64 Gbps FC | 3 |
|
Quad-port 32 Gbps FC | 4 |
|
Dual-port 100 Gbps Ethernet | 4 |
|
Quad-port 25 Gbps Ethernet | 4 |
|
Each node includes two dedicated 10 GbE management ports outside the adapter-card count.
Important protocol note - IBM FlashSystem 9600
IBM supports NVMe/TCP on the FlashSystem 9600 but not NVMe/RDMA or direct-attached NVMe—this is an important design limitation.
Performance - IBM FlashSystem 9600
Metric | Value |
Max 4K read-hit IOPS | 6.3M |
Max bandwidth | 86 GB/s |
IBM’s IOPS are based on 4K read-hit tests, not mixed workloads. The bandwidth is a peak value, not guaranteed for all workloads.
Power and Cooling - IBM FlashSystem 9600
Item | Value |
PSU rating | 3600 W |
Input | 200–240 V AC, single phase |
Frequency | 50/60 Hz |
Inlet | IEC 60320 C14 |
Max input current | 10 A (2x) |
Max power output | 3600 W |
Calorific value | 12,284 BTU/hr |
The FlashSystem 9600 has two redundant power supplies and that each power supply requires two high-line AC power sources.
Example Enclosure Power Usage - IBM FlashSystem 9600
Example configuration | Total power consumption | Heat |
| 1811 W | 6179 BTU/hr |
HA and Data Path - IBM FlashSystem 9600
The FlashSystem 9600 uses an active-active dual-controller architecture, both node canisters serve volumes and together form a single redundant system. If one canister fails, the system keeps serving volumes through the other node.
Other relevant HA building blocks documented by IBM include:
dual node canisters
dual PSUs
per-node battery protection
mirrored internal boot drives
Distributed RAID
replication functions in Storage Virtualize
IBM Storage Virtualize - IBM FlashSystem 9600
This array runs IBM Storage Virtualize. That is the control plane for provisioning, virtualization, snapshots, replication, migration, and scale-out federation.
Functions for the 9600 software stack:
single pool of storage
logical unit virtualization
logical-volume management
workload mobility using FlashSystem grid
scale-out performance and capacity using FlashSystem grid
orchestrated immutable volume groups and Safeguarded snapshots
replication
data reduction
ransomware threat detection
Distributed RAID
REST API
Ansible playbooks
CSI integration
VMware integration
GUI and CLI management
Data Reduction Limitations
Deduplication currently operates in scan-only mode, meaning the system can identify duplicate data but does not yet eliminate it, while compression and data reduction are handled directly on FlashCore Modules.
That point is important for capacity modeling. Teams should not assume the future state of dedupe behavior in production sizing unless IBM has confirmed it on the target code level.
Noise Data - IBM FlashSystem 9600
Metric | Value |
Sound power, operating | 7.8 B |
Sound power, idle | 7.3 B |
Sound pressure, bystander operating | 67 dB |
Sound pressure, front operating | 76 dB |
Sound pressure, rear operating | 74 dB |
Additional operating data at 27°C and 37°C highlights the impact of higher ambient temperatures, especially in shared equipment rooms.
Buyer Checklist - IBM FlashSystem 9600
For an enterprise technical review, verify these items before approval:
exact controller memory configuration: 1.5 TB or 3 TB
exact host-port mix by node and by fabric
FC vs Ethernet design, including NVMe/TCP requirements
target code level: 9.1.2.x or newer
SSIC validation for hosts, HBAs, hypervisors, and switches
expected data-reduction assumptions versus guaranteed raw capacity
rack depth, rear clearance, and high-line power availability
FlashSystem grid plans, if non-disruptive migration is part of the project
IBM FlashSystem 9600 is the highest-end system in the FlashSystem lineup, built for the largest and most demanding enterprise workloads compared to the 5300, 5600, and 7600.
IBM FlashSystem - Immediate Availability
Limited stock at special pricing
Frequently Asked Questions - IBM FlashSystem 9600
Does IBM FlashSystem 9600 support NVMe?
Yes, it supports NVMe over Fibre Channel (NVMe/FC) and NVMe over TCP (NVMe/TCP). It does not support NVMe over RDMA for host connections.
How many drives can FlashSystem 9600 support?
The system supports up to 32 NVMe drives in a single 2U enclosure.
Is FlashSystem 9600 active-active?
Yes. It uses a dual-controller active-active architecture, meaning both controllers serve I/O simultaneously and provide redundancy.
What is the minimum software version required of the FlashSystem 9600?
IBM Storage Virtualize 9.1.2 or later
Does FlashSystem 9600 support non-disruptive upgrades?
Yes, but downgrades are not supported after upgrade completion. Rollback requires rebuild and restore from backup.
Is FlashSystem 9600 compatible with VMware and Linux?
Yes, but compatibility must be verified in IBM SSIC (System Storage Interoperation Center).
Sources - IBM FlashSystem 9600
IBM FlashSystem 9600 Product Page:
IBM Docs – FlashSystem 9600 System Overview:
https://www.ibm.com/docs/en/flashsystem-9x00/9.1.2?topic=9600-system-overview
IBM Docs – Node Canisters and Hardware Details:
https://www.ibm.com/docs/en/flashsystem-9x00/9.1.2?topic=overview-node-canisters
IBM Docs – Environmental, Power, and Physical Specifications:
IBM Docs – FlashSystem Grid (Scale-Out Architecture):
https://www.ibm.com/docs/en/flashsystem-9x00/9.1.2?topic=concepts-flashsystem-grid
IBM Docs – NVMe over TCP and RDMA Host Connectivity:
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