Can I install the cache upgrade myself?

Yes. HPE provides step-by-step installation guides and a pre-configured carrier bracket for tool-less insertion of the Q8D18A module into supported servers.

Will cached data be retained during a power loss?

Yes. The Q8D18A features power-loss protection via onboard capacitors that flush in-flight data to non-volatile flash if power is interrupted.

Does the cache upgrade support hardware RAID configurations?

Yes. The Q8D18A module integrates with HPE Smart Array controllers to accelerate both RAID and non-RAID volumes transparently.

Can I expand the cache capacity in the future?

No. The 2.4TB capacity of the Q8D18A is fixed. To expand cache, you must replace the module with a higher-capacity upgrade if available.

How do I monitor cache utilization?

Use the HPE OneView management console or Smart Storage Administrator (SSA) to view cache hit ratios, occupancy, and performance metrics in real time.

What are the physical dimensions of the Q8D18A module?

The Q8D18A measures 165 x 25 x 175 mm and occupies a dedicated 2.5-inch hot-swap bay in NS CS200/400 chassis.

What is the power consumption of the 2.4TB cache module?

The Q8D18A consumes up to 9 W under load and supports power-loss capacitors to protect cached data during outages.

Does the upgrade require additional software licenses?

No. The Q8D18A cache upgrade is covered under the server’s existing OS license and does not require extra software activation keys.

What warranty covers SKU Q8D18A?

The Q8D18A is backed by HPE’s standard three-year limited warranty with options to extend or upgrade coverage through HPE Care Pack services.

How do I obtain technical support for the cache upgrade?

Contact HPE Support via phone or the HPE Support Center portal and provide the SKU Q8D18A and server serial number for expedited service.

Where can I purchase the HPE NS CS200/400 2.4TB Cache FLD Upgrade?

You can order SKU Q8D18A through authorized HPE resellers, the HPE Store online, or directly from HPE quoting services.

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Q8D18A Overview

Q8D18A is a NAS system featuring 8 drive bays and support for SATA HDD, SAS HDD, SATA SSD, and NVMe SSD drives with a total storage capacity of up to 512 TB, configured with RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10. The unit is powered by an Intel Xeon processor with 8 cores, pre-installed with 16 GB of DDR4 memory expandable up to 64 GB, and it offers interfaces including USB 3.2 and 10GbE Ethernet for high-speed connectivity.

Q8D18A incorporates dual 10GbE network ports and expansion support through additional PCIe slots, while its redundant power supply rated at 500W and redundant fan cooling ensure continuous operation. It is purpose-built to address use cases such as SMB backup, enterprise data centers, virtualization, and media server applications.

Q8D18A price is is available on request. Get immediate quote.

Request bulk order quote for Q8D18A for additional pricing. Browse the full Hpe Nimble Storage series or explore all Hpe products.

Q8D18A Specifications

Width: 17.5 inches
Weight: 45 lbs
Height: 3.4 inches
Form Factor: Rackmount
Hot-Swap Support: Yes
LAN Ports: 2
Power Supply: Redundant
Virtualization Ready: Yes
Depth: 28.0 inches
RAID Support: RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10
RAM Type: DDR4
Power Supply Wattage: 500W
Max RAM Capacity: 64 GB
Product Type: Storage System
Supported Drive Types: Mixed
CPU Type: Intel Xeon
CPU Cores: 8
Installed RAM: 16 GB
Network Ports: 10GbE
USB Ports: USB 3.2
Expansion Support: Yes
Cooling: Redundant Fan
Operating System: Custom OS
Snapshot Support: Yes
Cloud Sync Support: Yes
iSCSI Support: Yes
Surveillance Support: No
Use Case: Enterprise Data Center
Storage Type: NAS
Bay Count: 8-bay
Max Supported Capacity: 512 TB
Product Name: Q8D18A Storage Array

Q8D18A Use Case

Accelerating Global Virtual Desktop Infrastructure with Q8D18A-NS CS200/400 2.4TB Cache Fld Upgrade

In a multinational corporation deploying 5,000+ virtual desktops, the Q8D18A-NS CS200/400 2.4TB Cache Fld Upgrade delivers enterprise-grade flash acceleration to eliminate login storms and latency spikes. By raising cache capacity to 2.4 TB, IT teams achieve sub-millisecond I/O response times, sustain 100% concurrency during peak business hours, and streamline help-desk operations—driving a 40% uplift in end-user productivity and SLAs across global sites.

Optimizing High-Frequency Transaction Databases in Financial Services

A tier-1 investment bank uses the Q8D18A-NS CS200/400 2.4TB Cache Fld Upgrade to turbocharge its trading and risk-management platforms. The upgrade supercharges hot-data caching for mission-critical OLTP workloads, reducing transaction latency below 500 µs and boosting throughput by 60%. As a result, the bank ensures real-time compliance monitoring, slashes end-of-day processing windows, and fortifies its trading-floor competitiveness with predictable sub-millisecond performance.

Enhancing Real-Time Analytics for E-Commerce and Retail Insights

An omnichannel retailer integrates the Q8D18A-NS CS200/400 2.4TB Cache Fld Upgrade to accelerate interactive analytics on product catalogs and customer behavior data. By caching query-hot tables at flash speed, analytics teams experience 3× faster BI dashboard load times and support 5× higher concurrent query volumes. This performance leap empowers data-driven pricing adjustments, personalized promotions, and SKU optimization in real time, driving a 25% increase in average order value.

Quality Certifications

To get the detailed certification, please go to the Compliance Center.

Product Comparison Table

	Q8D18A	Q8E94A	Q8D45A	Q8D79A	Q8D38A
Product Type	Storage System	Storage System	Storage System	Storage System	Storage System
Storage Type	NAS	SAN	SAN	SAN	NAS
Form Factor	Rackmount	Rackmount	Rackmount	Rackmount	Rackmount
Bay Count	8-bay	12-bay	24-bay	12-bay	8-bay
Supported Drive Types	Mixed	Mixed	Mixed	Mixed	Mixed
Hot-Swap Support	Yes	Yes	Yes	Yes	Yes
Max Supported Capacity	512 TB	512 TB	512 TB	512 TB	256 TB
RAID Support	RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10	RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10	RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10	RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10	RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10
CPU Type	Intel Xeon	Intel Xeon	Intel Xeon	Intel Xeon	Intel Xeon
CPU Cores	8	8	8	8	8
Installed RAM	16 GB	16 GB	16 GB	16 GB	16 GB
Max RAM Capacity	64 GB	128 GB	64 GB	128 GB	64 GB
RAM Type	DDR4	ECC DDR4	ECC DDR4	ECC DDR4	ECC DDR4
Network Ports	10GbE	10GbE	10GbE	10GbE	10GbE
LAN Ports	2	4	2	4	4
USB Ports	USB 3.2	USB 3.2	USB 3.2	USB 3.2	USB 3.2
Expansion Support	Yes	Yes	Yes	Yes	Yes
Cooling	Redundant Fan	Redundant Fan	Active	Redundant Fan	Active
Power Supply	Redundant	Redundant	Redundant	Redundant	Redundant
Power Supply Wattage	500W	500W	500W	500W	350W
Operating System	Custom OS	Custom OS	Custom OS	Custom OS	Custom OS
Snapshot Support	Yes	Yes	Yes	Yes	Yes
Cloud Sync Support	Yes	Yes	Yes	Yes	Yes
Virtualization Ready	Yes	Yes	Yes	Yes	Yes
iSCSI Support	Yes	Yes	Yes	Yes	Yes
Surveillance Support	No	No	No	No	Yes
Use Case	Enterprise Data Center	Enterprise Data Center	SMB / Enterprise Data Center / Virtualization / Media Server	SMB / Enterprise Data Center / Virtualization / Media Server	Enterprise Data Center
Product Name	Q8D18A Storage Array	Q8E94A Enterprise Storage System	Q8D45A Enterprise SAN Storage System	Q8D79A Enterprise SAN	Q8D38A Enterprise NAS Storage System
Height	3.4 inches	3 inches	4 inches	3.5 inches	4 inches
Width	17.5 inches	17 inches	17.5 inches	17.5 inches	17 inches
Depth	28.0 inches	28 inches	25 inches	27.5 inches	28 inches
Weight	45 lbs	35 lbs	45 lbs	45 lbs	25 lbs

Reviews & Ratings

Benedict Shaw

Cache field upgrade installed smoothly and improved IO.

Lachlan Bruce

No disruption during deployment.

Theo Carpenter

Consistent gains observed.

Ronan Ellis

Good upgrade path.

Dean Wallace

Worked immediately.

Questions & Answers

What is the HPE NS CS200/400 2.4TB Cache FLD Upgrade (SKU Q8D18A)?

The HPE NS CS200/400 2.4TB Cache FLD Upgrade (SKU Q8D18A) is a factory-installed flash cache module that accelerates read/write performance on NS CS200/400 servers.

Which servers are compatible with the Q8D18A cache upgrade?

The Q8D18A cache upgrade is compatible only with HPE NS CS200 and NS CS400 Converged Storage servers.

How does the 2.4TB Cache FLD Upgrade improve server performance?

By offloading hot data to high-speed flash, the 2.4TB Cache FLD Upgrade reduces I/O latency and boosts transaction throughput for database and virtualization workloads.

What firmware version is required for SKU Q8D18A?

Install HPE OS 5.0 or later on NS CS200/400 servers to ensure firmware compatibility with the Q8D18A 2.4TB Cache FLD Upgrade.

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Q8D18A Overview

Q8D18A price is is available on request. Get immediate quote.

Request bulk order quote for Q8D18A for additional pricing. Browse the full Hpe Nimble Storage series or explore all Hpe products.

Q8D18A Specifications

Width

17.5 inches

Weight

45 lbs

Height

3.4 inches

Form Factor

Rackmount

Hot-Swap Support

Yes

LAN Ports

Power Supply

Redundant

Virtualization Ready

Yes

Depth

28.0 inches

RAID Support

RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10

RAM Type

DDR4

Power Supply Wattage

500W

Max RAM Capacity

64 GB

Product Type

Storage System

Supported Drive Types

Mixed

CPU Type

Intel Xeon

CPU Cores

Installed RAM

16 GB

Network Ports

10GbE

USB Ports

USB 3.2

Expansion Support

Yes

Cooling

Redundant Fan

Operating System

Custom OS

Snapshot Support

Yes

Cloud Sync Support

Yes

iSCSI Support

Yes

Surveillance Support

Use Case

Enterprise Data Center

Storage Type

NAS

Bay Count

8-bay

Max Supported Capacity

512 TB

Product Name

Q8D18A Storage Array