Does 405-AAXT support NVMe?

Yes, NVMe Gen3 and Gen4, along with 12/6/3Gb/s SAS and SATA.

How many drives can it control?

16 per controller, or 50 with an expander.

Is there another part number?

CY3WW is listed as an alternative part number.

Dell

Dell PERC H755 Adapter 8GB NV Cache SAS/SATA/NVMe RAID Controller

Name: Dell PERC H755 Adapter 8GB NV Cache SAS/SATA/NVMe RAID Controller
Brand: Dell
SKU: 405-AAXT

MPN405-AAXT

Also known as CY3WW

The Dell PERC H755 Adapter (405-AAXT) is a PCIe adapter RAID controller with 8GB of NV cache, SAS, SATA and NVMe support and a PCIe Gen4 host interface.

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Dell PERC H755 Adapter 8GB NV Cache SAS/SATA/NVMe RAID Controller

405-AAXT · Refurbished · 1 year warranty

Quantity (units)

Overview

The PERC H755 Adapter is Dell's internal PCIe-card RAID controller for servers that mix SAS, SATA and NVMe drives. It carries 8GB of NV cache, which keeps cached writes safe through a power loss, and it supports RAID 0, 1, 5, 6, 10, 50 and 60. The Dell part number is 405-AAXT.

The drive interfaces are 12/6/3Gb/s SAS and SATA plus NVMe Gen3 and Gen4, and the card talks to the host over PCIe Gen4. It has 16 ports (2 x8 internal). Dell lists a limit of 16 drives per controller, or 50 with an expander.

It is listed for a long set of PowerEdge servers, including the R660, R750 and R760, so check your own model against Dell's list.

Dell also uses the number CY3WW for this part. We can supply the H755 Adapter new or refurbished, with a warranty of 1 year or 3 years on both.

Specifications

Dell 405-AAXT specifications
Manufacturer part number	405-AAXT
Brand	Dell
Form factor	PCIe adapter (internal)
Ports	16 (2 x8 internal)
Cache	8 GB
Interface	12/6/3Gb/s SAS/SATA; NVMe Gen3/Gen4
Maximum drives	16 per controller, 50 with expander
RAID levels	0, 1, 5, 6, 10, 50, 60
Component type	RAID controller
Host interface	PCIe Gen4
Controller model	PERC H755 Adapter
Compatible systems	Listed by Dell for PowerEdge C6615, C6620, HS5620, R260, R360, R660, R750, R750xs, R760, R760xd2, R760xs, R7615, R7625, R860, T360, XR11, XR12, XR5610

Specifications from the manufacturer's datasheet ↗

Alternative part numbers

Other numbers for 405-AAXT, as printed on labels, spare-parts lists and manufacturer documents. Search works with any of them.

Alternative part numbers for 405-AAXT
Part number	Type	Brand	Note
CY3WW	Alternative	Same brand	Dell manufacturer part number shown on Dell's product pageQuote this part number

Compatibility

The manufacturer lists this part for:

Listed by Dell for PowerEdge C6615, C6620, HS5620, R260, R360, R660, R750, R750xs, R760, R760xd2, R760xs, R7615, R7625, R860, T360, XR11, XR12, XR5610

Not sure it fits? Add your system model to the message in your request and we will check before you order.

FAQ

What cache does the PERC H755 Adapter have?: 8GB of NV cache.
Does 405-AAXT support NVMe?: Yes, NVMe Gen3 and Gen4, along with 12/6/3Gb/s SAS and SATA.
How many drives can it control?: 16 per controller, or 50 with an expander.
Is there another part number?: CY3WW is listed as an alternative part number.