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PCIe Cards

2006-2008 Mac Pros: Customizing the PCIe Configuration

You may find that the performance of certain PCIe cards (most commonly eSATA cards) will benefit from modifying the bandwidth of the PCIe slot that holds the card. For the 2008 Mac Pro and earlier, you can use Apple's built-in Expansion Slot Utility to cu...

PCI Cards: Firewire Boot Support

You cannot boot from an external drive that is connected to a Firewire 400 port on a PCI card, however depending on the card and the drive, you may be able to boot from a volume connected to a Firewire 800 port on a PCI card....

ExpressCard/34 Host Adapter: eSATA Device Not Recognized

If your ExpressCard/34 adapter does not recognize a connected eSATA device, it may be an older design that is not AHCI-compliant (please check with the manufacturer). If it is not AHCI-compliant, the ExpressCard most likely requires special drivers or fir...

PCI Cards: Card or Connected Drive Malfunctioning

The most common cause of PCIe-related problems is that the card is either not fully seated or installed properly, or it is not installed in the optimal slot based on the amount of bandwidth it requires. In some cases a special driver may be required (plea...

ExpressCard/34 Host Adapter: eSATA Cable Stuck

Occasionally eSATA cables can feel like they're stuck in the host adapter they're connected to. Avoid pulling with too much force on the plug when removing it. Instead, try gently rocking it from side to side as you pull the plug out, or add a bit of extr...

NewerTech RAID Manager: Login Issues

If you are having trouble logging into the RAID Manager application for one of our NewerTech PCIe RAID controller cards, please check the user manual for the default local host, ID, and password information. The most recent manuals and drivers can be foun...

PCI Cards: Visual Difference Between AGP, PCI, and PCIe

Attached is a PDF guide on how to visually idenify PCI, PCIe and AGP cards....

Mac: Legacy MacBook Pro – USB 3 Speeds

Please see the list below to get an idea of which MacBook Pro models can (theoretically) support full USB 3.0 speeds. PCIE 1.0 1X (THEORETICAL 250MB/S) EFFECTIVELY HALF-SPEED MacBookPro1,1 MacBookPro1,2 MacBookPro2,1 MacBookPro2,2 MacBookPro3,1 M...

PCI Cards: Sonnet Presto - Mac Pro Support

The Sonnet Presto ethernet cards are not compatible with any Intel Mac Pro models (2006-2012). The Mac Pros use a newer version of the PCI specification than these older Sonnet cards. Please check the product page "Specs" to see a listing of the legacy Ma...

MAXPower USB 3 / eSATA: Drobo Compatibility

The NWTMXPCIEL2ESU3 card (drivers required) does allow the Drobo to show up on the computer and be used, but the Drobo dashboard can't see it and therefore cannot manage it. USB devices connected to the NWTMXPCIEL2ESU3 appear on the computer as parallel S...

MAXPower USB 3 / eSATA: USB Hub Support

There are two versions of this card. Only the driverless card (NWTMXPCIE2E2U3) supports USB Hubs. The version that requires a driver (NWTMXPCIEL2ESU3), which is designed to support mass storage devices, will not support USB Hubs....

MAXPower USB 3 / eSATA: Sleep Support

There are two versions of this PCIe card. The driverless version (NWTMXPCIE2E2U3) which supports OS 10.8.3 and later, will allow your machine to sleep but OWC recommends disabling sleep when using the card with OS X.  Sleep should be disabled when using...

Mercury Helios (TB2): Available PCIe Power

The Mercury Helios PCIe enclosure (Thunderbolt 2, single slot) will provide up to 25W of power to the installed card.  ...

Qx2 (USB 3.0): Firmtek 2ME4-E Compatibility

The 2ME4-E card from Firmtek is not compatible with the USB 3 version of the Qx2 (JMicron chipset)....

MaxPower eSATA 6G PCIe 2.0 (NWTMXPCIE6GRS)

The driver for this PCIe card requires OS X 10.5.8 - 10.8.5. When using more recent OS versions, these cards provide an alternative:   NEWERTECH MAXPOWER ESATA 6G PRO PCIE CONTROLLER CARD https://eshop.macsales.com/item/NewerTech/MXPCIE6G3S2/ [https:...

MAXPower USB 3 / eSATA: Identifying Your Version (Mac)

NewerTech sells two different versions of the same MAXPower 4-port USB / eSATA PCIe host adapter. Part number NWTMXPCIEL2ESU3 [http://eshop.macsales.com/item/NewerTech/MXPCIEL2ESU3/] requires a driver and runs on Mac OS X versions 10.6 - 10.8.2. There is ...

Mercury Accelsior E2: Mac Boot Limitations

APPLICABLE PART NUMBERS: OWCSSDPHWE2R960, OWCSSDPHWE2R480, OWCSSDPHWE2R240, OWCSSDPHWE2R120   * The Accelsior E2 is not compatible with Boot Camp.  To use Windows on a Mac with the Mercury Accelsior E2, you must first boot to a Windows installer and...

Mercury Accelsior E2: Performance Requirements

  APPLICABLE PART NUMBERS: OWCSSDPHWE2R960, OWCSSDPHWE2R480, OWCSSDPHWE2R240, OWCSSDPHWE2R120   PC Requirements: A PCIe 2.0 slot with four, eight, or 16 lanes (sometimes referred to as x4, x8, or x16) is required for maximum performance. Using a P...

Mercury Accelsior E2: Multiple Card Requirements

APPLICABLE PART NUMBERS: OWCSSDPHWE2R960, OWCSSDPHWE2R480, OWCSSDPHWE2R240, OWCSSDPHWE2R120   The use of two or more Accelsior E2 SSDs in a Mac Pro requires OS X 10.6.8 or later....

Envoy Pro (PCIe): Apple Stock Drive Compatibility

Last Updated: 10/23/18   (NOTICE: currently images for this article are unavailable, but the information can be followed as described to make a determination on your drive type. We apologize for the inconvenience as we attempt to resolve this issue. Pl...

MAXPower 4-port eSATA 6G PCIe 2.0: Dual Card Limitation (PC)

RELEVANT PART NUMBER: NWTMXPCIE6GRS4E   Multiple copies of NWTMXPCIE6GRS4E are not supported in a PC. If more than one is installed in a PC, the computer will not boot....

MaxPower eSATA 6G PCIe 2.0 (NWTMXPCIE6GS2)

This card does not require a driver and is supported on OS X 10.5.8 – 10.8.5. Use with OS X 10.9 or later is not recommended.   When using more recent OS versions, these cards provide an alternative: NEWERTECH MAXPOWER ESATA 6G PRO PCIE CONTROLLER CA...

Mercury Accelsior E2: Driver Installation Locations

For Mac OS X 10.6.8–10.8.5, the Accelsior E2 driver is installed in the location below: /SYSTEM/LIBRARY/EXTENSIONS/ACCELSIOR.KEXT   For Mac OS X 10.9.0 and later, the Accelsior E2 driver is installed in a new location, shown below. /LIBRARY/EXTENS...

Sapphire 7950: Mac EFI Firmware Switch

RELEVANT PART NUMBER: SAP100352MAC2   If you are installing a Sapphire 7950 card into a Mac Pro tower for use with OS X or macOS, be sure to set the Mac EFI Firmware switch to the proper setting before using the card. See the image below for reference...

Mercury SSDs (High Capacity): Accelsior S, Mac Pro Compatibility

APPLICABLE PART NUMBERS AS OF JUNE, 2017: OWCSSD7E3G02S OWCSSD7E6G02S OWCSSD7P6G02S OWCSSD7P6G960 (legacy model) OWCSSD7P6G480 (legacy model) OWCSSD7E6G02T (legacy model) OWCSSDACL6G.S (Accelsior S) Please note that when using the Mercury Accelsior S wit...

OWC Enclosures, Drive Docks, & SSDs: FileVault and BitLocker Support (2017)

As of April 2017, all current OWC storage enclosures, storage docks, and SSDs tested as compatible with Apple FileVault and Windows BitLocker. Tests were run on a variety of host hardware and operating systems including Windows 8.1 Pro, Windows 10 Pro, Ma...

Qx2 (All): Accelsior E2 Incompatibility

Please note the OWC Mercury Elite Pro Qx2 [https://www.owcdigital.com/products/mercury-elite-pro-qx2] is not compatible with the eSATA ports on the Mercury Accelsior E2 [https://www.owcdigital.com/products/mercury-accelsior-e2] series of SSDs.   ALTER...

Mac: 10.13 or later - Driver Warning

RELATED ARTICLE: RELEVANT PART NUMBERS: * OWCSSDPHWE2R240 * OWCSSDPHWE2R480 * OWCSSDPHWE2R960 * OWCSSDPHWE2R2UP * NWTADPU3GIGE * NWTMXPCIE6GRS4E * J6GHPCI2E Please note that if you install an OWC-provided driver for the above noted p...