Ekwb EK-Velocity sTR4 User manual

USER GUIDE

2nd Revision, July 29th 2021

EK-Velocity sTR4

CPU WATER BLOCK

This product is intended for installation only by expert users. Please

consult with a qualiﬁed technician for installation. Improper installation may

result in damage to your equipment. EK Water Blocks assumes no liability

whatsoever, expressed or implied, for the use of these products, nor their

installation. The following instructions are subject to change without

notice. Please visit our website at www.ekwb.com for updates. Before

installation of this product, please read important notice, disclosure, and

warranty conditions that are printed on the back of the box.

Before you start using this product, please follow these basic guidelines:

Please carefully read the manual before beginning the installation

process.

Please remove your graphics card from the computer to assure the

safest mounting process and prevent any possible damage to your

GPU and/or graphics card circuit board (PCB).

The EK Fittings require only a small amount of force to screw

them ﬁrmly in place since the liquid seal is ensured by the rubber

O-ring gaskets.

The use of corrosion inhibiting coolants is always recommended

for liquid cooling systems, and mandatory for nickel plated

water blocks!

Do not use pure distilled water! For best results EK recommends the

use of EK-CryoFuel coolants.

Make sure to thoroughly bleed air out of your water block, or you will

not reach optimal performance.

QUICK INSTALLATION GUIDE

- 3 -

INSTALLING THE WATER BLOCK 9

CONNECTING THE RGB LED STRIP (for full nickel version) 11

CONNECTING THE RGB LED STRIP 11

CONNECTING THE D-RGB MODELS 12

CONNECTING THE DRGB LED STRIP 12

TABLE OF CONTENT

GENERAL INFORMATION ON WATER BLOCK COMPATIBILITY 4

BOX CONTENTS 5

WATER BLOCK DIMENSIONS 6

TECHNICAL SPECIFICATIONS AND WATER BLOCK PARTS 7

SUPPORT AND SERVICE 13

SOCIAL MEDIA 13

- 4 -

GENERAL INFORMATION ON WATER BLOCK COMPATIBILITY

This CPU liquid cooling unit is pre-assembled for use with modern AMD

desktop socket type motherboards. By default (out of the box) this water

block supports the following CPU sockets:

- AMD TR4 socket

- AMD SP3 socket

- 5 -

BOX CONTENTS

EK-Velocity sTR4 CPU water block (1 pc)

Thermal grease (1 pc)

- 6 -

WATER BLOCK DIMENSIONS

85.4 mm

117.3 mm

30.8 mm

14.3 mm

- 7 -

TECHNICAL SPECIFICATIONS AND WATER BLOCK PARTS

Technical Speciﬁcation:

- Dimensions (L x H x W): 117x85x31 mm

- D-RGB cable length: 500 mm

- D-RGB LED count: 6

- D-RGB connector standard 3-pin (+5V, Data, Blocked, Ground)

Position EAN Description Quantity

1100612 TOP PLATE - Acetal 1

100611 TOP PLATE - Plexi

2100618 STICKOUT - Black 1

100617 STICKOUT - White

3100620 MOUNTING BRACKET - sTR4 1

4100685 COLDPLATE - Nickel 1

5100621 JE T P L ATE 1

6100883 D-RGB LED Strip 1

78201 M3 x 10 DIN7991 Screw 4

88207 M4 x 14 7991DIN Screw 6

98616 Washer POLYAMID M4 x 0.8 mm 4

10 100158 Spring 4

11 100663 EK RGB Badge 1

12 104307

SEALING GASKET 1 – sTR4 - OR 72x2 EPDM70

13 101554 SEALING GASKET 2 - sTR4 1

14 9048 M2.5 x 5 AX1 Screw 2

15 100694 Thumb Screw Velocity sTR4 4

16 9033 Seegerring 3.2 DIN 6799 4

LED light is not included in all versions.

- 8 -

Technical Speciﬁcation:

- Dimensions (L x H x W): 117x85x31 mm

- D-RGB cable length: 500 mm

- D-RGB LED count: 1

- D-RGB connector standard 3-pin (+5V, Data, Blocked, Ground)

Position EAN Description Quantity

1100614 TOP PLATE - Nickel 1

2100618 STICKOUT - Black 1

3100620 MOUNTING BRACKET - sTR4 1

4100685 COLDPLATE - Nickel 1

5100621 JE T P L ATE 1

6102213 LED D-RGB PANEL 1

78201 M3 x 10 DIN7991 Screw 4

88207 M4 x 14 7991DIN Screw 6

98616 Washer POLYAMID M4 x 0.8 mm 4

10 100158 Spring 4

11 100663 EK RGB Badge 1

12 104307

SEALING GASKET 1 – sTR4 - OR 72x2 EPDM70

13 101554 SEALING GASKET 2 - sTR4 1

14 9048 M2.5 x 5 AX1 Screw 2

15 100694 Thumb Screw Velocity sTR4 4

16 9033 Seegerring 3.2 DIN 6799 4

- 9 -

STEP 1

Cleaning the CPU: Wipe the CPU’s contact surface (by using non–

abrasive cloth or Q-tip, as shown on sample photo).

Applying thermal compound: EK recommends blob or line method

of applying the enclosed EK-TIM Ectotherm (1g) thermal compound

to the CPU heatspreader (IHS)

Applying thermal compound: On a clean IHS, apply a line of

thermal compound and spread it over the whole CPU heat spreader

(IHS) with a credit card or equivalent - see sample photo on left

Non-abrasive

Cloth

IHS

STEP 1

INSTALLING THE WATER BLOCK

- 10 -

STEP 3

Tighten the ﬁtting barbs in clockwise direction until the gasket underneath

is compressed.

The installation of the CPU water block is now complete.

With EK-Velocity series water blocks it is mandatory to use the port that

is nearest to the center of the water block as INLET port. Mixing the ports

may result in less than ideal thermal performance of the water block.

STEP 7

FITTING RING

FITTING

BARB

INLET PORT OUTLET PORT

STEP 2

Align the water block properly on the motherboard, because the screws

are not positioned in a square pattern.

Before proceeding with the installation, it is mandatory

to remove the protective foil from the backside of the

water block.

Start fastening two mounting screws at a time, preferably in cross pattern

and do not tighten them fully until all of them are partially screwed in. Then

- using your ﬁngers only - screw in all four mounting screws until you reach

the end of the thread.

STEP 2

MOUNTING

SCREW

COILED SPRING

Table of contents

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