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For vertical mail slots, the hood should not extend beyond the side of the outside plate on the same side as the door's hinges. Finally, regardless of orientation, the interior privacy hood should not project more than 2 1/16' beyond the inside of the door. Mail Slot Brands. Lenovo M710 M910 Tiny: second M.2 slot for SSD, HDD drive height, USB Type C (M710q, M910q, M910x) 2017-06-15, 4:21 AM. For 2-slots PCIX-64 same bus expansions on a custom 1U chassis with two I/O slots (one full-height, one half-height). ARC1-020-Cx 1-slot PCI-X 64bit flexible riser card w/various lengths of ribbon cable, solid conductors, direct-soldered pin-to-pin termination, cable EMI shielded. So if you put a PCIe 2.0 card in a PCIe 3.0 slot, you'll get PCIe 2.0 performance. The PCIe 4.0 standard debuted in 2017 and offers 64 GBps of throughput.
2 Slot GPU means it takes up the same space as two PCIe slots. 2.5 slots means the card encroach's on the next PCIe slot down usually preventing that slots use depending on the peripheral / item.
Alternatively known as a bus slot or expansion port, an expansion slot is a connection or port inside a computer on the motherboard or riser card. It provides an installation point for a hardware expansion card to be connected. For example, if you wanted to install a new video card in the computer, you'd purchase a video expansion card and install that card into the compatible expansion slot.
Computer expansion slots
Below is a listing of expansion slots commonly found in a computer and the devices associated with those slots. Clicking on any of the links below provide you with additional details.
- AGP - Video card.
- AMR - Modem, sound card.
- CNR - Modem, network card, sound card.
- EISA - SCSI, network card, video card.
- ISA - Network card, sound card, video card.
- PCI - Network card, SCSI, sound card, video card.
- PCI Express - Video card, modem, sound card, network card.
- VESA - Video card.
Many of the above expansion card slots are obsolete. You're most likely only going to encounter AGP, PCI, and PCI Express when working with computers today. In the picture below is an example of what expansion slots may look like on a motherboard. In this picture, there are three different types of expansion slots: PCI Express, PCI, and AGP.
How many expansion slots does my computer have?
Every computer motherboard is different, to determine how many expansion slots are on your computer motherboard identify the manufacturer and model of the motherboard. Once you've identified the model of motherboard, you can find complete information about the motherboard in its manual.
Adding additional expansion slots for older motherboards could be accomplished by using a riser board, which would add several ISA or PCI slots. Today, riser boards are rarely used with motherboards, as there is limited need for additional expansion slots with modern motherboards.
What type of expansion slots are on my motherboard?
As mentioned above, every motherboard model is unique, so to determine the type of expansion slots on the motherboard, consult the board's specifications and owner's manual. You can also open the computer case and visually examine the motherboard.
Why do computers have expansion slots?
Computers have expansion slots to give the user the ability to add new devices to their computer. For example, a computer gamer may upgrade their video card to get better performance in their games. An expansion slot allows them to remove the old video card and add a new video card without replacing the motherboard.
What is the most common expansion slot today?
Today, the most commonly used expansion slot used and found on computer motherboards is the PCI Express expansion slot.
Does a laptop have an expansion slot?
Laptops do not have expansion slots like a desktop computer. However, some laptops do have PC Cards that can be inserted into the side of the laptop. They may also have a Cardbus slot for an ExpressCard to be added.
Related expansion slot pages
Expansion, Expansion card, Motherboard terms, Seated
What is M.2?
M.2 is a specification for internal expansion cards on PC mainboards and notebook computers. M.2 was conceived as an successor of the mSATA interface and for the first time introduced by Intel in 2012 under the label Next Generation Form Factor (NGFF).
As for usage and interface variety, M.2 is more flexible because not only SATA signals can be transmitted via the M.2 interface but also USB and PCIe. Thereby extended functions are possible e.g. the application of WLAN, Bluetooth, GPS or NFC cards.
For what M.2 is suitable?
There is already an M.2 interface in many PCs and notebook computers. It is ideally applicable to connect an SSD in a compact mobile device such as in a notebook computer and Ultrabook™ but also in a desktop PC.
M.2 modules stand out for their compact design and flexible measurements. Thanks to the low power consumption M.2 SSDs can also easily be used as bootable drives within embedded systems.
Which variants are there?
The M.2 standard contains variants with up to four PCIe lanes, one SATA 6 Gb/s and / or one USB 3.0 port. So it is possible to connect PCIe as well as SATA SSDs. Furthermore, both bus systems at every port can be used at the same time.
How is the design and what are the form factors?
M.2 cards have a rectangular shape. At their front side they show a plug connector strip and at their back side a centered placed semicircular recess. The recess is needed to mount the card: it can be slotted into the appropriate port at the board and fixed with a screw. Components can be mounted on the card's topside as well as their bottom side.
The size of an M.2 module is marked by its form factor. The form factor defines the width by length in millimeters. For example, the form factor 2260 means the card has a width of 22 mm and a length of 60 mm. The longest components have a length of 110 millimeters. At present, the most common M.2 SSDs have a width of 22 mm and a length of 42, 60 or 80 mm.
What do the M.2 keys mean?
The shape of the M.2 connectors differs depending on the interface the M.2 port provides. According to the possible applications the M.2 module has reccesses at certain points of the plug connector strip. The key signifies this connector form.
The different keys call for plug-in cards with reccesses at these certain points. Currently the keys B, M, A and E together with B+M and A+E are in use. The slot and the module have to support the same key in order to be compatible.
| Which key supports which signal transfer? | |||||||||||||||||
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Please note: Theoretically and / or in future, the Keys listed here are able to support also other kinds of signals. Furthermore, Keys that are not listed here are reserved for coming variants or interfaces. The table depicted above is valid for Delock products.
| Which key supports which signal transfer? | ||||||||||||||
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Delock M.2 product examples
Converters
2 Slot Gpu Height
Converter M.2 Key B+M male >
2 x Mini SATA pin 8 power plug
Connectors:
1 x 59 pin M.2 Key B+M male >
2 x SATA 6 Gb/s plug pin 8 power with latchtype
1 x 2 pin power connector (power supply for SATA devices)
2 x 3 pin power connector (optional)
Interface: PCIe
Form factor: M.2 2242
Suitable for M.2 slot with key M or B based on PCIe
Data transfer rate up to 6 Gb/s
Supports HDD and SSD
Dimensions (LxWxH): ca. 42 x 22 x 11 mm
Show application info
Converter SuperSpeed USB 10 Gbps with USB Type-C™ female >
1 x SATA / 1 x M.2 Key B / 1 x mSATA
Connectors:
1 x SuperSpeed USB 10 Gbps (USB 3.1 Gen 2) USB Type-C™ female >
1 x SATA 6 Gb/s 22 pin receptacle
1 x 67 pin M.2 key B slot
1 x mSATA slot (half size / full size)
Interface: SATA
Chipset: Asmedia ASM1351
Supports M.2 modules in format 2280, 2260 and 2242
with key B or key B+M based on SATA
Maximum height of the components on the module: 1.35 mm,
application of double-sided assembled modules supported
Suitable for 2.5″ SATA HDD / SSD: supports 3.3 V / 5 V HDD / SSD
Supports SATA 1.5 Gb/s, SATA 3 Gb/s and SATA 6 Gb/s
Dimensions (LxWxH): ca. 90 x 40 x 8 mm
Show infographic with connectors
Converter SuperSpeed USB 10 Gbps with USB Type-C™ female > 1 x SATA / 1 x M.2 Key B / 1 x mSATA
Connectors:
1 x SuperSpeed USB 10 Gbps (USB 3.1 Gen 2) USB Type-C™ female >
1 x SATA 6 Gb/s 22 pin receptacle
1 x 67 pin M.2 key B slot
1 x mSATA slot (half size / full size)
Interface: SATA
Chipset: Asmedia ASM1351
Supports M.2 modules in format 2280, 2260 and 2242 with key B or key B+M based on SATA
Maximum height of the components on the module: 1.35 mm, application of double-sided assembled modules supported
Suitable for 2.5″ SATA HDD / SSD: supports 3.3 V / 5 V HDD / SSD
Supports SATA 1.5 Gb/s, SATA 3 Gb/s and SATA 6 Gb/s
Dimensions (LxWxH): ca. 90 x 40 x 8 mm
Show infographic with connectors
Converter M.2 Key A+E male >
1 x Mini PCIe Slot half size / full size
Connectors:
1 x 59 pin M.2 key A+E male >
1 x Mini PCIe slot
Interface: PCIe + USB
Form factor M.2: 2230
Form factor Mini PCIe: half size and full size
Suitable for M.2 slot with key A or key E based on PCIe and USB
PCI Express Rev. 1.1
Operating temperature: 0 °C ~ 80 °C
Dimensions (LxWxH):
M.2 board: ca. 30 x 22 x 3 mm
Mini PCIe board: ca. 69 x 45 x 6 mm
Converter M.2 Key B+M male >
2 x USB 3.0 Pin Header
Connectors:
1 x 59 pin M.2 Key B+M male >
2 x 19 pin USB 3.0 pin header male
1 x 4 pin pin header power connector (optional for power supply)
Interface: PCIe
Form factor: M.2 2280 (resp. 2260)
Suitable for M.2 slot with key M or B+M based on PCIe
Chipset: Renesas
Data transfer rate up to 5 Gbps
Dimensions (LxWxH): ca. 82 x 22 x 14 mm
3.5' Converter SATA 22 Pin / SFF-8643 >
1 x M.2 Key M + 1 x M.2 Key B
Connectors:
1 x SATA 6 Gb/s 22 pin female (for SATA SSDs)
1 x 36 pin SFF-8643 female (for PCIe SSDs 2 or 4 lanes)
1 x 67 pin M.2 key M slot (PCIe SSD)
1 x 67 pin M.2 key B slot (SATA SSD)
Interface: SATA / PCIe (2 or 4 lanes)
Supports M.2 modules in format 2280, 2260, 2242 and 2230
with key M or key B+M based on PCIe or SATA
Maximum height of the components on the module: 1.5 mm,
application of double-sided assembled modules supported
SATA 15 pin power connector always necessary
Supports NVM Express (NVMe)
Maximale Ausgangsstromstärke: 4 A (PCIe) und 3 A (SATA)
Dimensions (LxWxH):
Board incl. installation frame: ca. 140 x 100 x 23 mm
Board without installation frame: ca. 120 x 87 x 16 mm
Show application example
3.5' Converter SATA 22 Pin / SFF-8643 > 1 x M.2 Key M + 1 x M.2 Key B
Connectors:
1 x SATA 6 Gb/s 22 pin female (for SATA SSDs)
1 x 36 pin SFF-8643 female (for PCIe SSDs 2 or 4 lanes)
1 x 67 pin M.2 key M slot (PCIe SSD)
1 x 67 pin M.2 key B slot (SATA SSD)
Interface: SATA / PCIe (2 or 4 lanes)
Supports M.2 modules in format 2280, 2260, 2242 and 2230 with key M or key B+M based on PCIe or SATA
Maximum height of the components on the module: 1.5 mm, application of double-sided assembled modules supported
SATA 15 pin power connector always necessary
Supports NVM Express (NVMe)
Maximale Ausgangsstromstärke: 4 A (PCIe) und 3 A (SATA)
Dimensions (LxWxH):
Board incl. installation frame: ca. 140 x 100 x 23 mm
Board without installation frame: ca. 120 x 87 x 16 mm
Show application example
Adapters
Adapter Mini PCIe > M.2 Key E slot
Connectors:
1 x Mini PCIe male >
1 x 67 pin M.2 Key E slot
Interface: USB 2.0 / PCIe
Form factor: Mini PCIe full size / half size
Supports M.2 modules in format 2242, 2230, 3042 and 3030
with key E or key A+E based on USB / PCIe
Maximum height of the components on the module: 1.5 mm,
application of double-sided assembled modules supported
Dimensions (LxW): ca. 54 x 30 mm
Connectors:
1 x Mini PCIe male >
1 x 67 pin M.2 Key E slot
Interface: USB 2.0 / PCIe
Form factor: Mini PCIe full size / half size
Supports M.2 modules in format 2242, 2230, 3042 and 3030 with key E or key A+E based on USB / PCIe
Maximum height of the components on the module: 1.5 mm, application of double-sided assembled modules supported
Dimensions (LxW): ca. 54 x 30 mm
Adapter M.2 > 1 x RJ45 Gigabit LAN Port (PCIe)
Connectors:
1 x M.2 key B+M male >
1 x Gigabit LAN RJ45 female
Interface: PCIe (2.1 x1)
Form factor: M.2 2280
Chipset: Intel® i210
Maximum power consumption: 0.65 W (3.3 V, 200 mA)
Dimensions (LxWxH): ca. 50.9 x 30 x 7.05 mm
Adapter M.2 > mSATA
Connectors:
1 x 59 pin M.2 key B+M male >
1 x mSATA slot (half size / full size)
Interface: SATA
Suitable for full size and half size modules
Slots capital casino download. Dimensions (LxWxH): ca. 80 x 31.5 x 4.7 mm
More products in the area of M.2
PCI Express Card >
1 x internal NVMe M.2 PCIe / 1 x internal SFF-8643 NVMe
Connectors:
1 x 67 pin M.2 key M slot
1 x PCI Express x4, V3.0
1 x 36 pin SFF-8643 female
Interface: PCIe
Low profile form factor
Supports M.2 modules in format 2280, 2260, 2242 and 2230
with key M or key B+M based on PCIe
Maximum height of the components on the module: 1.35 mm,
application of double-sided assembled modules supported
Supports NVM Express (NVMe)
Short circuit protection, over heating protection
Show application example
PCI Express Card > 1 x internal NVMe M.2 PCIe / 1 x internal SFF-8643 NVMe
Connectors:
1 x 67 pin M.2 key M slot
1 x PCI Express x4, V3.0
1 x 36 pin SFF-8643 female
Interface: PCIe
Low profile form factor
Supports M.2 modules in format 2280, 2260, 2242 and 2230 with key M or key B+M based on PCIe
Maximum height of the components on the module: 1.35 mm, application of double-sided assembled modules supported
Supports NVM Express (NVMe)
Short circuit protection, over heating protection
Show application example
M.2 SSD PCIe / NVMe Key M 2280 - 1 TB
NEW
Connector: 1 x 67 pin M.2 Key M male
Interface: PCIe x4 Rev. 3.0
Form factor: M.2 2280
Controller: SMI SM2263XT
Flash type: TLC
Capacity: 1 TB
Maximum speed: read 2000 MB/s - write 1700 MB/s
Maximum write cycles: 1000
Supports TRIM, S.M.A.R.T. and NVMe 1.3
Operating temperature: 0 °C ~ 70 °C
Dimensions (LxWxH): ca. 80 x 22 x 2.1 mm
Item 54080 Capacity 512 GB
Item 54079 Capacity 256 GB
2 Slot Height Gpu
Item 54078 Capacity 128 GB
2 Slot Height Table
Depending on storage capacity of the flash module, read and write speed vary.
PCIe x8 / x16 Card to 4 x internal NVMe M.2 Key M
NEW
Connectors:
1 x PCI Express x8 / x16, V3.0
4 x 67 pin M.2 key M slot
1 x SATA 15 pin power connector
1 x Molex 4 pin power connector
1 x 2 pin header for fan
Chipset: Asmedia ASM2824
Interface: PCIe
M.2 formats 22110, 2280, 2260 and 2242 with key M or key B+M
Data transfer rate up to 32 Gbps
The ideal PCIe card for gaming and servers!
Especially in the demanding server and gaming areas, this card is perfectly suited to expand the existing system by four fast M.2 NVMe slots. All slots can be used simultaneously. The large heat sink and fan ensure adequate cooling of the modules.
1 Molex power connector 2 SATA power connector 3 Asmedia ASM2824 4 M.2 key M slot 5 PCIe x8 / x16
External Enclosure M.2 SSD 80 mm >
SuperSpeed USB 10 Gbps (USB 3.1 Gen 2)
Connectors:
external: 1 x SuperSpeed USB 10 Gbps (USB 3.1 Gen 2) USB Type-C™ female
internal: 1 x 67 pin M.2 key B slot
Chipset: Asmedia ASM1351
Supports M.2 modules in format 2280, 2260, 2242 and 2230
with key B based on SATA
Maximum height of the components on the module: 1.35 mm,
application of double-sided assembled modules supported
Data transfer rate up to 6 Gbps
LED indicator for power and access
Dimensions (LxWxH): ca. 126 x 40 x 10 mm
2 Slot Height Chart
External Enclosure M.2 SSD > SuperSpeed USB 10 Gbps (USB 3.1 Gen 2)
Connectors:
external: 1 x SuperSpeed USB 10 Gbps (USB 3.1 Gen 2) USB Type-C™ female
internal: 1 x 67 pin M.2 key B slot
Chipset: Asmedia ASM1351
Supports M.2 modules in format 2280, 2260, 2242 and 2230 with key B based on SATA
Maximum height of the components on the module: 1.35 mm, application of double-sided assembled modules supported
Data transfer rate up to 6 Gbps
LED indicator for power and access
Dimensions (LxWxH): ca. 126 x 40 x 10 mm
Item 42573 Enclosure M.2 SSD 60 mm
Item 42572 Enclosure M.2 SSD 42 mm
2 Slot Height Calculator
M.2 Flash Module SATA 6 Gb/s SSD 256 GB
Connector: 59 Pin M.2 Key B+M Stecker
Interface: SATA 6 Gb/s
Form factor: M.2 2242
Chipset: Toshiba
Flash Type: MLC
Storage capacity: 256 GB
Maximum speed: read 530 MB/s - write 210 MB/s
Maximum write cycles: 3000
Maximum power consumption: 1.4 W (3.3 V x 422 mA)
With Thermal Sensor, ATA security, iSmart
Operation temperature: Industrial grade -40 °C ~ 85 °C
Dimensions (LxWxH): ca. 42 x 22 x 3.2 mm
2 Slot Height
M.2 products at a glance